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Revision summary help for the 9-1 Edexcel GCSE CHEMISTRY 1CH0/1F 1CH0/1H 1st Exam Paper 1 - learning objectives for Edexcel GCSE chemistry 1CH0 1F 1CH0 1H chemistry 1 2020 exam paper onwards Edexcel Level 1/ 2 GCSE (Grade 9 - 1) Chemistry 1 (1CH0) Paper 1 - Edexcel (Grade 9-1) GCSE CHEMISTRY Topic 1 "Key concepts in chemistry", Topic 2 "States of matter and mixtures", Topic 3 "Chemical changes", Topic 4 "Extracting metals and equilibria", Topic 5 "Separate chemistry 1" LINK for Edexcel 9-1 GCSE CHEMISTRY 2 paper 2 LINK for Edexcel GCSE Combined Science 1st chemistry paper 3 LINK for Edexcel GCSE Combined Science 2nd chemistry paper 4 Detailed GCSE Chemistry Revision notes For ALL other exam papers, use and bookmark the link below
PLEASE READ CAREFULLY THE FOLLOWING POINTS before using my Edexcel 9-1 GCSE science pages
Syllabus-specification CONTENT INDEX of revision summary notes Note: a C after the learning objective indicates it is for Edexcel GCSE Chemistry ONLY, NOT for Combined Science Revision summaries for Edexcel 9-1 GCSE Chemistry Paper 1 Chemistry 1 (this page)
Revision summaries for Edexcel 9-1 GCSE Chemistry Paper 2 Chemistry 2 (separate page)
TOPICS for Edexcel GCSE 9-1 Chemistry Paper 1 Chemistry 1 Note: a C after the learning objective indicates it is for Edexcel GCSE Chemistry ONLY, NOT for Combined Science Topics common to all chemistry papers A page of important ideas, concepts and definitions for chemistry students Formulae, equations and hazards You should be able to ... 0.1 Be able to recall the formulae of elements, simple compounds and ions. 0.2 Write word equations. 0.3 Write balanced chemical equations, including the use of the state symbols (s), (l), (g) and (aq). 0.4 (HT only) Write balanced ionic equations. 0.5 Be able to describe the use of hazard symbols on containers
0.6 Be able to evaluate the risks in a practical procedure and suggest suitable precautions for a range of practicals including those mentioned in the specification.
Some easy quizzes for you to explore on basic chemistry concepts from KS3 chemistry to GCSE chemistry
Topic 1 Key concepts in chemistry (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 1 "Key concepts in chemistry") A page of important ideas, concepts and definitions for chemistry students (Topic 1 – Overarching concepts in chemistry) Topic 1 is common to both chemistry/science papers Edexcel GCSE 9-1 CHEMISTRY 1 Topic 1 "Key concepts in chemistry" quiz content for chemistry 1/2: balancing equations, atomic structure, chemical calculations, periodic table, bonding and structure (higher tier HT/foundation tier FT) for HT students:
for FT students:
HT = higher tier (harder - usually more theory & depth) and FT = foundation tier (easier) 1st drafts of Edexcel quizzes Atomic structure (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 1 "Key concepts in chemistry") You should be able to ... 1.1 Be able to describe how the Dalton model of an atom has changed because of the discovery of subatomic particles 1.2 Be able to describe the structure of an atom as a nucleus containing protons and neutrons, surrounded by electrons in shells 1.3 Be able to recall the relative electric charge and relative mass of a proton, a neutron and an electron 1.4 Be able to explain why atoms contain equal numbers of protons and electrons 1.5 Be able to describe the nucleus of an atom as very small compared to the overall size of the atom 1.6 Be able to recall that most of the mass of an atom is concentrated in the nucleus 1.7 Be able to recall the meaning of the term mass number of an atom 1.8 Be able to describe atoms of a given element as having the same number of protons in the nucleus and that this number is unique to that element 1.9 Be able to describe isotopes as different atoms of the same element containing the same number of protons but different numbers of neutrons in their nuclei 1.10 Be able to calculate the numbers of protons, neutrons and electrons in atoms given the atomic number and mass number 1.11 Be able to explain how the existence of isotopes results in relative atomic masses of some elements not being whole numbers 1.12 (HT only) Be able to calculate the relative atomic mass of an element from the relative masses and abundances of its isotopes
The Periodic Table (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 1 "Key concepts in chemistry") 1.13 Be able to describe how Mendeleev arranged the elements, known at that time, in a periodic table by using properties of these elements and their compounds 1.14 Be able to describe how Mendeleev used his table to predict the existence and properties of some elements not then discovered 1.15 Be able to explain that Mendeleev thought he had arranged elements in order of increasing relative atomic mass but this was not always true because of the relative abundance of isotopes of some pairs of elements in the periodic table 1.16 Be able to explain the meaning of atomic number of an element in terms of position in the periodic table and number of protons in the nucleus 1.17 Be able to describe that in the periodic table
1.18 Identify elements as metals or non-metals according to their position in the periodic table and explaining this division in terms of the atomic structures of the elements 1.19 Be able to predict the electronic configurations of the first 20 elements in the periodic table as diagrams and in the form, for example, 2.8.1 1.20 Be able to explain how the electronic configuration of an element is related to its position in the periodic table
Ionic Bonding (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 1 "Key concepts in chemistry") 1.21 Be able to explain how ionic bonds are formed by the transfer of electrons between atoms to produce cations and anions, including the use of dot and cross diagrams 1.22 Be able to recall that an ion is an atom or group of atoms with a positive or negative charge 1.23 Be able to calculate the numbers of protons, neutrons and electrons in simple ions given the atomic number and mass number 1.24 Be able to explain the formation of ions in ionic compounds from their atoms, limited to compounds of elements in groups 1, 2, 6 and 7 1.25 Be able to explain the use of the endings –ide and –ate in the names of compounds 1.26 Be able to deduce the formulae of ionic compounds (including oxides, hydroxides, halides, nitrates, carbonates and sulfates) given the formulae of the constituent ions 1.27 Be able to explain the structure of an ionic compound as
Be able to represent three dimensional shapes in two dimensions and vice versa when looking at chemical structures
Covalent Bonding (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 1 "Key concepts in chemistry") 1.28 Be able to explain how a covalent bond is formed when a pair of electrons is shared between two atoms 1.29 Be able to recall that covalent bonding results in the formation of molecules 1.30 Be able to recall the typical size (order of magnitude) of atoms and small molecules Be able to relate size and scale of atoms to objects in the physical world. Be able to estimate size and scale of atoms
Types of substances (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 1 "Key concepts in chemistry") 1.31 Be able to explain the formation of simple molecular, covalent substances, using dot and cross diagrams, including:
1.32 Be able to explain why elements and compounds can be classified as:
and how the structure and bonding of these types of substances results in different physical properties, including relative melting point and boiling point, relative solubility in water and ability to conduct electricity (as solids and in solution)
1.33 Be able to explain the properties of ionic compounds limited to:
1.34 Be able to explain the properties of typical covalent, simple molecular compounds limited to:
1.35 Be able to recall that graphite and diamond are different forms of carbon and that they are examples of giant covalent substances 1.36 Be able to describe the structures of graphite and diamond 1.37 Be able to explain, in terms of structure and bonding, why graphite is used to make electrodes and as a lubricant, whereas diamond is used in cutting tools
1.38 Be able to explain the properties of fullerenes including C60 and graphene in terms of their structures and bonding
1.39 Be able to describe, using poly(ethene) as the example, that simple polymers consist of large molecules containing chains of carbon atoms
1.40 Be able to explain the properties of metals, including malleability and the ability to conduct electricity 1.41 Be able to describe the limitations of particular representations and models to include dot and cross, ball and stick models and two- and three-dimensional representations 1.42 Be able to describe most metals as shiny solids which have high melting points, high density and are good conductors of electricity whereas most non-metals have low boiling points and are poor conductors
Be able to represent three dimensional shapes in two dimensions and vice versa when looking at chemical structures, e.g. allotropes of carbon. Be able to translate information between diagrammatic and numerical forms
Calculations involving masses (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 1 "Key concepts in chemistry") 1.43 Be able to calculate relative formula mass given relative atomic masses
1.44 Be able to calculate the formulae of simple compounds from reacting masses and understand that these are empirical formulae
1.45 Be able to deduce:
1.46 Be able to describe an experiment to determine the empirical formula of a simple compound such as magnesium oxide.
1.47 Be able to explain the law of conservation of mass applied to:
1.48 Be able to calculate masses of reactants and products from balanced equations, given the mass of one substance
1.49 Be able to calculate the concentration of solutions in g dm–3
1.50 (HT only) Be able to recall that one mole of particles of a substance is defined as
1.51 (HT only) Be able to calculate the number of:
1.52 (HT only) Be able to explain why, in a reaction, the mass of product formed is controlled by the mass of the reactant which is not in excess.
1.53 (HT only) Be able to deduce the stoichiometry of a reaction from the masses of the reactants and products
Suggested practicals
The other Topics 2-5 for Edexcel 9-1 GCSE Chemistry Paper 1 ONLY (Edexcel GCSE chemistry 1 paper 1) Topic 2 States of matter and mixtures (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 2 "States of matter and mixtures") Topic 2 – States of matter and mixtures (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 2 "States of matter and mixtures") Edexcel GCSE 9-1 Chemistry 1 Topic 2 "States of Matter" quiz questions content: state changes, particle models, methods of separating mixtures, test for purity (need more questions on separating mixtures and purifying water) for all students:
HT = higher tier (harder - usually more theory & depth) and FT = foundation tier (easier) 1st drafts of Edexcel quizzes You should be able to ... 2.1 Be able to describe the arrangement, movement and the relative energy of particles in each of the three states of matter: solid, liquid and gas 2.2 Be able to recall the names used for the interconversions between the three states of matter, recognising that these are physical changes: contrasted with chemical reactions that result in chemical changes 2.3 Be able to explain the changes in arrangement, movement and energy of particles during these interconversions 2.4 Be able to predict the physical state of a substance under specified conditions, given suitable data
Methods of separating and purifying substances (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 2 "States of matter and mixtures") You should be able to .... 2.5 Be able to explain the difference between the use of ‘pure’ in chemistry compared with its everyday use and the differences in chemistry between a pure substance and a mixture. Need more questions on separation of mixtures
2.6 Interpret melting point data to distinguish between pure substances which have a sharp melting point and mixtures which melt over a range of temperatures. 2.7 Be able to explain the experimental techniques for separation of mixtures by:
2.8 Be able to describe an appropriate experimental technique to separate a mixture, knowing the properties of the components of the mixture. See links above 2.9 Be able to describe paper chromatography as the separation of mixtures of soluble substances by running a solvent (mobile phase) through the mixture on the paper (the paper contains the stationary phase), which causes the substances to move at different rates over the paper
2.10 Interpret a paper chromatogram:
2.11 Core Practical: Investigate the composition of inks using simple distillation and paper chromatography
2.12 Be able to describe how:
Word-fill quiz "Particle models of elements, compounds and mixtures" Easy multiple choice quiz on "Atoms, elements, compounds and mixtures" (questions on basic chemistry) 4 linked easy quizzes on "Separation of Mixtures" 7Hwf1 * 7Hwf2 * 7Hwf3 * 7Hwf4 Easy matching pair quiz based on "Solubility and Solutions" 7Hmp1 (important words and definitions) 5 Easy linked word-fill quizzes on "Compounds and Mixtures" 8Fwf1 * 8Fwf2 * 8Fwf3 * 8Fwf4 * 8Fwf5 Easy matching pair quiz on "Elements, Compounds and Mixtures" ecm1mp (matching particle model pictures) Topic 3 Chemical changes (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 3 "Chemical changes") Topic 3 Chemical changes (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 3 "Chemical changes") Edexcel GCSE 9-1 Chemistry 1 Topic 2 "Chemical Change" quiz questions content: pH scale, indicator colours, reactions of acids with metals, insoluble bases and alkalis, carbonates, tests for hydrogen and carbon dioxide, methods of preparing salts, acid-alkali titrations, rules on salt solubility, explaining electrolysis of electrolyte solutions - sodium chloride, acidified water, copper sulfate, molten salts, different electrode products (HT only) electrode equations, oxidation and reduction theory, half-equations for cathode and anode changes Easy multiple choice quiz on "Acids, alkalis, salts and simple chemical reactions" (general questions on basic chemistry) Easy word-fill quizzes on "Acids and Alkalis" 7Ewf1 * 7Ewf2 * 7Ewf3 * 7Ewf4 Easy matching pair quiz on "pH" for HT students:
for FT students:
HT = higher tier (harder - usually more theory & depth) and FT = foundation tier (easier) 1st drafts of Edexcel quizzes Acids (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 3 "Chemical changes") You should be able to .... 3.1 Be able to recall that acids in solution are sources of hydrogen ions and alkalis in solution are sources of hydroxide ions 3.2 Be able to recall that a neutral solution has a pH of 7 and that acidic solutions have lower pH values and alkaline solutions higher pH values 3.3 Be able to recall the effect of acids and alkalis on indicators, including litmus, methyl orange and phenolphthalein
3.4 (HT only) Be able to recall that the higher the concentration of hydrogen ions in an acidic solution, the lower the pH; and the higher the concentration of hydroxide ions in an alkaline solution, the higher the pH 3.5 (HT only) Be able to recall that as hydrogen ion concentration in a solution increases by a factor of 10, the pH of the solution decreases by 1
3.6 Investigate the change in pH on adding powdered calcium hydroxide/calcium oxide to a fixed volume of dilute hydrochloric acid 3.7 (HT only) Be able to explain the terms dilute and concentrated, with respect to amount of substances in solution
3.8 (HT only) Be able to explain the terms weak and strong acids, with respect to the degree of dissociation into ions
3.9 Be able to recall that a base is any substance that reacts with an acid to form salt and water only 3.10 Be able to recall that alkalis are soluble bases
3.11 Be able to explain the general reactions of aqueous solutions of acids with:
3.12 Be able to describe the chemical test for: (a) hydrogen, (b) carbon dioxide (using limewater)
3.13 Be able to describe a neutralisation reaction as a reaction between an acid and a base 3.14 Be able to explain an acid-alkali neutralisation as a reaction in which hydrogen ions (H+) from the acid react with hydroxide ions (OH–) from the alkali
3.15 Be able to explain why, if soluble salts are prepared from an acid and an insoluble reactant:
3.16 Be able to explain why, if soluble salts are prepared from an acid and a soluble reactant:
3.17 Core Practical: Investigate the preparation of pure, dry hydrated copper sulfate crystals starting from copper oxide including the use of a water bath 3.18 Be able to describe how to carry out an acid-alkali titration, using burette, pipette and a suitable indicator, to prepare a pure, dry salt
3.19 Be able to recall the general rules which describe the solubility of common types of substances in water:
3.20 Be able to predict, using solubility rules, whether or not a precipitate will be formed when named solutions are mixed together, naming the precipitate if any
3.21 Be able to describe the method used to prepare a pure, dry sample of an insoluble salt
Practicals, hopefully you have done
Electrolytic processes (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 3 "Chemical changes") You should be able to .... 3.22 Be able to recall that electrolytes are ionic compounds in the molten state or dissolved in water 3.23 Be able to describe electrolysis as a process in which electrical energy, from a direct current supply, decomposes electrolytes 3.24 Be able to explain the movement of ions during electrolysis, in which:
3.25 Be able to explain the formation of the products in the electrolysis, using inert electrodes, of some electrolytes, including:
3.26 Be able to predict the products of electrolysis of other binary, ionic compounds in the molten state
3.27 (HT only) Write half equations for reactions occurring at the anode and cathode in electrolysis
3.28 (HT only) Be able to explain oxidation and reduction in terms of loss or gain of electrons 3.29 (HT only) Be able to recall that reduction occurs at the cathode and that oxidation occurs at the anode in electrolysis reactions 3.30 Be able to explain formation of the products in the electrolysis of copper sulfate solution, using copper electrodes, and how this electrolysis can be used to purify copper 3..31 Investigating the change in mass of the anode and of the cathode, when copper sulfate solution is electrolysed between copper electrodes.
Suggested practicals
Topic 4 (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 4 "Extracting metals and chemical equilibria") Topic 4 Extracting metals and equilibria (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 4 "Extracting metals and chemical equilibria") Edexcel GCSE 9-1 Chemistry 1 Topic 4 "Extracting metals and equilibria" quiz questions content: reactivity series of metals, their reactions with water, acids and salt solutions, explaining the reactivity series, extraction of metals by reduction of oxides with carbon or electrolysis of molten ores, theory of oxidation and reduction, reversible reactions, dynamic chemical equilibrium, reaction conditions for the Haber synthesis of ammonia, (HT only) how the position of an equilibrium depends on temperature, pressure and concentration (Higher Tier/Foundation Tier): Need questions on biological methods of metal extraction, recycling metals, life time assessment, life cycle assessment for HT students:
for FT students:
HT = higher tier (harder - usually more theory & depth) and FT = foundation tier (easier) 1st drafts of Edexcel quizzes Obtaining and using metals (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 4 "Extracting metals and chemical equilibria") You should be able to .... 4.1 Be able to deduce the relative reactivity of some metals, by their reactions with water, acids and salt solutions 4.2 (HT only) Be able to explain displacement reactions as redox reactions, in terms of gain or loss of electrons 4.3 Be able to explain the reactivity series of metals (potassium, sodium, calcium, magnesium, aluminium, (carbon), zinc, iron, (hydrogen), copper, silver, gold) in terms of the reactivity of the metals with water and dilute acids and that these reactions show the relative tendency of metal atoms to form cations
4.4 Be able to recall that:
4.5 Be able to explain oxidation as the gain of oxygen and reduction as the loss of oxygen
4.6 Be able to recall that the extraction of metals involves reduction of ores
4.7 Be able to explain why the method used to extract a metal from its ore is related to its position in the reactivity series and the cost of the extraction process, illustrated by
4.8 (HT only) Be able to evaluate alternative biological methods of metal extraction (bacterial and phytoextraction)
4.9 Be able to explain how a metal’s relative resistance to oxidation is related to its position in the reactivity series
4.10 Be able to evaluate the advantages of recycling metals, including economic implications and how recycling can preserve both the environment and the supply of valuable raw materials
4.11 Be able to describe that a life time assessment for a product involves consideration of the effect on the environment of obtaining the raw materials, manufacturing the product, using the product and disposing of the product when it is no longer useful 4.12 Be able to evaluate data from a life cycle assessment of a product
Suggested practicals
Reversible
reactions and equilibria
You should be able to .... 4.13 Be able to recall that chemical reactions are reversible and the use of
the symbol 4.14 Be able to explain what is meant by dynamic equilibrium
4.15 Be able to describe the formation of ammonia as a reversible reaction between nitrogen (extracted from the air) and hydrogen (obtained from natural gas) and that it can reach a dynamic equilibrium 4.16 Recall the conditions for the Haber process as: (a) temperature 450 °C, (b) pressure 200 atmospheres, (c) iron catalyst 4.17 (HT only) Be able to predict how the position of a dynamic equilibrium is affected by changes in:
Suggested practicals
Topic 5 Separate Chemistry 1 (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 5 "Separate chemistry 1") Topic 5 Separate Chemistry 1 (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 5 "Separate chemistry 1") TOPIC QUIZ UNDER DEVELOPMENT HT = higher tier (harder - usually more theory & depth) and FT = foundation tier (easier) 1st drafts of Edexcel quizzes Transition metals, alloys and corrosion (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 5 "Separate chemistry 1") You should be able to .... 5.1C Be able to recall that most metals are transition metals and that their typical properties include:
5.2C Be able to recall that the oxidation of metals results in corrosion 5.3C Be able to explain how rusting of iron can be prevented by:
5.4C Be able to explain how electroplating can be used to improve the appearance and/or the resistance to corrosion of metal objects
5.5C Be able to explain, using models, why converting pure metals into alloys often increases the strength of the product
5.6C Be able to explain why iron is alloyed with other metals to produce alloy steels
5.7C Be able to explain how the uses of metals are related to their properties (and vice versa), including aluminium, copper and gold and their alloys including magnalium and brass
Practicals you hopefully encountered
Quantitative analysis You should be able to .... 5.8C (HT only) Be able to calculate the concentration of solutions in mol dm–3 and
5.9C Carry out an accurate acid-alkali titration, using burette, pipette and a suitable indicator
5.10C (HT only) Carry out simple calculations using the results of titrations to calculate an unknown concentration of a solution or an unknown volume of solution required
5.11C Be able to calculate the percentage yield of a reaction from the actual yield and the theoretical yield 5.12C Be able to describe that the actual yield of a reaction is usually less than the theoretical yield and that the causes of this include:
5.13C Be able to recall the atom economy of a reaction forming a desired product. 5.14C Be able to understand and calculate the atom economy of a reaction forming a desired product.
5.15C (HT only) Be able to explain why a particular reaction pathway is chosen to produce a specified product, given appropriate data such as atom economy, yield, rate, equilibrium position and usefulness of by-products
Calculations involving volumes of gases 5.16C (HT only) Be able to describe the molar volume, of any gas at room temperature and pressure, as the volume occupied by one mole of molecules of any gas at room temperature and pressure (The molar volume will be provided as 24 dm3 or 24000 cm3 in calculations where it is required) 5.17C (HT only) Be able to use the molar volume and balanced equations in calculations involving the masses of solids and volumes of gases 5.18C (HT only) Be able to use Avogadro’s law to calculate volumes of gases involved in a gaseous reaction, given the relevant equation
Suggested practicals you may have done
Dynamic equilibria (Edexcel 9-1 GCSE Chemistry Paper 1, Topic 5 "Separate chemistry 1") You should be able to .... 5.19C Be able to describe the Haber process as a reversible reaction between nitrogen and hydrogen to form ammonia 5.20C (HT only) Be able to predict how the rate of attainment of equilibrium is affected by:
5.21C (HT only) Be able to explain how, in industrial reactions, including the Haber process, conditions used are related to:
5.22C Be able to recall that fertilisers may contain nitrogen, phosphorus and potassium compounds to promote plant growth 5.23C Be able to describe how ammonia reacts with nitric acid to produce a salt that is used as a fertiliser 5.24C Be able to describe and compare:
Practical: Preparing a sample of ammonium sulfate from ammonia solution and dilute sulfuric acid. Chemical cells and fuel cells (Edexcel 9-1 GCSE Chemistry 1, Paper 1, Topic 5 "Separate chemistry 1") You should be able to .... 5.25C Be able to recall that a chemical cell produces a voltage until one of the reactants is used up 5.26C Be able to recall that in a hydrogen–oxygen fuel cell hydrogen and oxygen are used to produce a voltage and water is the only product 5.27C Be able to evaluate the strengths and weaknesses of fuel cells for given uses.
PAST PAPERS (Practice exam question papers for Edexcel Level 1/Level 2 GCSE grade 9-1 Chemistry 1, Paper 1, Topic 1 "Key concepts in chemistry", Topic 2 "States of matter and mixtures", Topic 3 "Chemical changes", Topic 4 "Extracting metals and equilibria", Topic 5 "Separate chemistry 1") PLEASE EMAIL ME IF ANY LINKS SEEM BROKEN !! Edexcel GCSE Sciences (Grade 9-1) Level 1/Level 2 specifications syllabuses, specimen papers, past exam papers Edexcel GCSE (Grade 9-1) Chemistry - separate GCSE science (see separate page for Chemistry 2 Papers) Specifications - syllabuses, past exam papers, specimen practice question papers Edexcel GCSE Chemistry 1CH0 Specification syllabus
I will add the past paper links as soon as they become available from the examination board website EDEXCEL GCSE Chemistry May June Summer foundation and higher Examination Papers 2018 1st Chemistry Paper Edexcel GCSE 9-1separate Science Foundation Tier GCSE Chemistry 1 paper 1CH0 1F May 2018
Edexcel GCSE 9-1 separate Science Higher Tier GCSE Chemistry 1 paper 1CH0 1H May 2018
EDEXCEL GCSE Chemistry May June Summer foundation and higher Examination Papers May 2019 Edexcel GCSE 9-1 Science (GCSE Chemistry) foundation paper Chemistry 1 1CH0 1F May 2019 Edexcel GCSE 9-1 Science (GCSE Chemistry) higher paper Chemistry 1 1CH0 1H May 2019 EDEXCEL GCSE Chemistry May June Summer foundation and higher Examination Papers May-November 2020 Edexcel GCSE 9-1 Science (GCSE Chemistry) foundation paper Chemistry 1 1CH0 1F May-November 2020 Edexcel GCSE 9-1 Science (GCSE Chemistry) higher paper Chemistry 1 1CH0 1H May-November 2020 EDEXCEL GCSE Chemistry May June Summer foundation and higher Examination Papers May 2021 Edexcel GCSE 9-1 Science (GCSE Chemistry) foundation paper Chemistry 1 1CH0 1F May 2021 Edexcel GCSE 9-1 Science (GCSE Chemistry) higher paper Chemistry 1 1CH0 1H May 2021 ALL EDEXCEL GCSE (Grade 9-1) Level 1/Level 2 SCIENCES specifications and syllabus revision summary links Edexcel GCSE (Grade 9-1) BIOLOGY 1st GCSE BIOLOGY paper 1 (separate science Topics 1-5) Edexcel GCSE (Grade 9-1) Combined Science Biology 1 1st combined science biology paper (Topics 1-5) Edexcel GCSE (Grade 9-1) BIOLOGY 2nd GCSE BIOLOGY paper 2 (separate science Topics 1, 6-9) Edexcel GCSE (Grade 9-1) CHEMISTRY 1st GCSE CHEMISTRY Paper 1 (separate science Topics 1-5) Edexcel GCSE (Grade 9-1) CHEMISTRY 2nd GCSE CHEMISTRY Paper 2 (separate science Topics 1, 6-9) Edexcel GCSE (Grade 9-1) Physics 1st GCSE PHYSICS Paper 1 (separate science Topics 1-8) Edexcel GCSE (Grade 9-1) Combined Science Physics 1st combined science physics paper (Topics 1-6) Edexcel GCSE (Grade 9-1) Physics 2nd GCSE PHYSICS Paper 2 (separate science Topics 1, 8-15) Watch out for HT Only sections AND make sure you know exactly which GCSE science course you are doing!
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INDEX
for all links
Topic 1 "Key Concepts in Chemistry"
QUIZ (Edexcel GCSE chemistry)
(Edexcel 9-1 GCSE
Chemistry 1, Paper 1, Topic 4
"Extracting metals and chemical equilibria")
in equations and that the
direction of some reversible reactions can be altered by changing the reaction
conditions
Edexcel GCSE (Grade 9-1)_L1-L2_Chemistry.pdf 
