QUIZ on Reversible reactions, synthesis and uses of ammonia practise exam questions for foundation level tier GCSE level AQA, Edexcel, OCR, WJEC, CIE and CCEA GCSE courses doc brown's chemistry

This means a chemical reaction is? [am-1]
1. reversible
2. exothermic
3. endothermic
4. decomposition
A reaction which gives out heat to the surroundings is described as? [am-2]
1. reversible
2. exothermic
3. endothermic
4. decomposition
A reaction which takes in heat from the surroundings is described as? [am-3]
1. reversible
2. exothermic
3. endothermic
4. decomposition
For a chemical reaction, the word 'reversible' means? [am-4]
1. heat is alternately given out and taken in as the reaction proceeds
2. reactants can only be converted to products
3. the products and reactants of a reaction are in a state of balance
4. products can be readily converted back to reactants
A + B C + D
For the type of reaction shown above, which statement is TRUE? [am-5]
1. from left to right is called the forward reaction
2. from right to left is called the equilibrium reaction
3. if left to right is exothermic, from right to left is also exothermic
4. if left to right is endothermic, from right to left is also endothermic
A + B C + D
For the type of reaction shown above, which statement is TRUE? [am-6]
1. from left to right is called the reversible reaction
2. from right to left is called the backward reaction
3. if left to right is exothermic, from right to left is also exothermic
4. if left to right is endothermic, from right to left is also endothermic
A + B C + D
For the type of reaction shown above, which statement is TRUE? [am-7]
1. from left to right is called the reversible reaction
2. from right to left is called the equilibrium reaction
3. if left to right is exothermic, from right to left is endothermic
4. if left to right is endothermic, from right to left is also endothermic
A + B C + D
For the type of reaction shown above, which statement is TRUE? [am-7]
1. from left to right is called the reversible reaction
2. from right to left is called the equilibrium reaction
3. if left to right is exothermic, from right to left is also exothermic
4. if left to right is endothermic, from right to left is exothermic
The equation shows the effect of heat on the salt ammonium chloride. Which statement is TRUE about this reversible reaction? [am-9]
1. the gases formed are colourless
2. the formation of the solid is endothermic
3. ammonium gas is formed
4. chloride gas is formed
The equation shows the effect of heat on the salt ammonium chloride. Which statement is TRUE about this reversible reaction? [am-10]
1. the gases formed are colourless and green
2. the formation of the solid is exothermic
3. ammonium gas is formed
4. chloride gas is formed
The equation shows the effect of heat on the salt ammonium chloride. Which statement is TRUE about this reversible reaction? [am-11]
1. the gases formed are colourless and green
2. the formation of the solid is endothermic
3. ammonia gas is formed
4. chloride gas is formed
The equation shows the effect of heat on the salt ammonium chloride. Which statement is TRUE about this reversible reaction? [am-12]
1. the gases formed are colourless and green
2. the formation of the solid is endothermic
3. ammonium gas is formed
4. hydrogen chloride gas is formed
The equation shows the effect of heat on the salt ammonium chloride. Which statement is TRUE about this reversible reaction? [am-13]
1. the gases are formed by an endothermic reaction
2. the formation of the solid is a decomposition reaction
3. ammonium gas is formed
4. chloride gas is formed
The equation shows the effect of heat on the salt hydrated copper(II) sulfate. Which statement is TRUE about this reversible reaction? [am-14]
1. the forward reaction (L to R) is exothermic
2. on heating, the hydrated solid changes colour from blue to white
3. the heating effect can be used as a test for water
4. the reaction is not reversible
The equation shows the effect of heat on the salt hydrated copper(II) sulfate. Which statement is TRUE about this reversible reaction? [am-15]
1. the forward reaction (L to R) is exothermic
2. on heating, the hydrated solid changes colour from white to blue
3. the reverse reaction can be used as a test for water
4. the reaction is not reversible
The equation shows the effect of heat on the salt hydrated copper(II) sulfate. Which statement is TRUE about this reversible reaction? [am-16]
1. the forward reaction (L to R) is exothermic
2. on heating, the hydrated solid changes colour from white to blue
3. the heating effect can be used as a test for water
4. the reaction is reversible
The equation shows the effect of heat on the salt hydrated copper(II) sulfate. Which statement is TRUE about this reversible reaction? [am-17]
1. the forward reaction (L to R) is endothermic
2. on cooling the heated solid and adding water, it changes colour from blue to white
3. the heating effect can be used as a test for water
4. the reaction is not reversible
The equation shows the effect of heat on the salt hydrated copper(II) sulfate. Which statement is TRUE about this reversible reaction? [am-18]
1. the reverse reaction (R to L) is endothermic
2. on cooling the heated solid and adding water, it changes colour from white to blue
3. the heating effect can be used as a test for water
4. the reaction is not reversible
The equation shows the effect of heat on the salt hydrated copper(II) sulfate. Which statement is TRUE about this reversible reaction? [am-19]
1. the forward reaction (L to R) is exothermic
2. on cooling the heated solid and adding water, it changes colour from blue to white
3. the reverse reaction (R to L) is exothermic
4. the heating effect can be used as a test for water
The equation shows the effect of heat on the salt hydrated copper(II) sulfate. Which statement is TRUE about this reversible reaction? [am-20]
1. the forward reaction (L to R) is exothermic
2. on cooling the heated solid and adding water, it changes colour from blue to white
3. the reverse reaction (R to L) is endothermic
4. the heating effect can be used to make anhydrous copper(II) sulfate
If J is nitrogen, what is raw material E? [am-21]
1. air
2. water
3. methane
4. nitrogen monoxide
If E is air, gas J is? [am-22]
1. oxygen
2. nitrogen
3. methane
4. nitrogen monoxide
If G is methane and water, gas L is? [am-23]
1. oxygen
2. nitrogen
3. hydrogen
4. nitrogen monoxide
If L is hydrogen, raw materials G are? [am-24]
1. water and carbon dioxide
2. nitrogen and hydrogen
3. methane and oxygen
4. water and methane (natural gas)
Catalyst M is? [am-25]
1. iron
2. platinum
3. manganese dioxide
4. Devarda's alloy
Gas Q is? [am-26]
1. carbon monoxide
2. nitrogen monoxide
3. hydrogen
4. nitrogen
Acid R is? [am-27]
1. hydrochloric acid
2. ethanoic acid
3. nitric acid
4. sulfuric acid
Acid W is? [am-28]
1. hydrochloric acid
2. ethanoic acid
3. nitric acid
4. sulfuric acid
Salt T is? [am-29]
1. ammonium nitrate
2. sodium nitrate
3. ammonium chloride
4. sodium amide
After the gases are cooled and compressed, the ammonia separates by? [am-30]
1. crystallisation
2. condensation
3. distillation
4. filtration
Which is used as an artificial fertiliser? [am-31]
1. nitric acid
2. sodium sulfate
3. ammonium sulfate
4. ammonium hydroxide
Which is used as an artificial fertiliser? [am-32]
1. nitric acid
2. sodium sulfate
3. ammonium hydroxide
4. ammonium nitrate
Which of the following is nitrogen gas? [am-33]
Which of the following is ammonia gas? [am-34]
Which of the following is methane gas? [am-35]
Which of the following is a nitrogen oxide? [am-36]
Which of the following is nitric acid? [am-37]
Which of the following is ammonium sulfate? [am-38]
Which of the following is ammonium nitrate? [am-39]
Which of the following is sulfuric acid? [am-40]
How many different elements make ammonium nitrate? [am-41]
1. 3
2. 9
3. 4
4. 6
How many atoms make up the formula of ammonium nitrate? [am-42]
1. 3
2. 9
3. 4
4. 6
How many different elements make up ammonium sulfate? [am-43]
1. 3
2. 5
3. 4
4. 6
How many atoms make up the formula of ammonium sulfate? [am-44]
1. 4
2. 7
3. 11
4. 15
Which is the most important element plants require from an artificial fertiliser like ammonium sulfate? [am-45]
1. N
2. H
3. S
4. O
Approximately what % of air is nitrogen? [am-46]
1. 20%
2. 80%
3. 50%
4. 30%
The name of the industrial method to make ammonia is known as the? [am-47]
1. Contact Process
2. Bosch Synthesis
3. Haber Synthesis
4. Cracking Process
Which of these is a good reason for adding artificial fertiliser to soil? [am-48]
1. helping reduce water pollution
2. neutralising acid soil
3. helping reduce crop disease
4. increasing soil fertility
Which of these is a good reason for adding artificial fertiliser to soil? [am-49]
1. increasing the nitrogen content of soil
2. increasing the alkalinity of soil
3. helping reduce crop disease
4. helping reduce water pollution
Which of these is a problem caused by the over-use of artificial fertilisers like ammonium nitrate on fields of crops? [am-50]
1. too acidic rainwater run-off into rivers
2. pollution of domestic water supply
3. increase in insect attacks on crops
4. increase in crop disease
Which of these is a problem caused by the over-use of artificial fertilisers like ammonium nitrate on fields of crops? [am-51]
1. too acidic rainwater run-off into rivers
2. increase in insect attacks on crops
3. overgrowth of algae in streams and rivers
4. increase in crop disease
Which set of data is typical of the reaction in industry used to make ammonia in terms of temperature and pressure? [am-52]
1. 50^oC, 200 atmospheres
2. 150^oC, 20 atmospheres
3. 900^oC, 2000 atmospheres
4. 450^oC, 200 atmospheres
Which chemical change involves an oxidation of a nitrogen compound? [am-53]
1. ammonia + oxygen ==> nitrogen monoxide + water
2. ammonia + nitric acid ==> ammonium nitrate
3. methane + water ==> carbon monoxide + hydrogen
4. ammonium chloride ==> ammonia + hydrogen chloride
Which chemical change is a neutralisation reaction? [am-54]
1. ammonia + oxygen ==> nitrogen monoxide + water
2. ammonia + nitric acid ==> ammonium nitrate
3. methane + water ==> carbon monoxide + hydrogen
4. ammonium chloride ==> ammonia + hydrogen chloride
Which chemical change is a neutralisation reaction? [am-55]
1. ammonia + oxygen ==> nitrogen monoxide + water
2. methane + water ==> carbon monoxide + hydrogen
3. sulfuric acid + ammonia ==> ammonium sulfate
4. ammonium chloride ==> ammonia + hydrogen chloride
Which chemical change is a thermal decomposition reaction? [am-56]
1. ammonia + oxygen ==> nitrogen monoxide + water
2. ammonia + nitric acid ==> ammonium nitrate
3. methane + water ==> carbon monoxide + hydrogen
4. ammonium chloride ==> ammonia + hydrogen chloride
The in the equation means the reaction is? [am-57]
1. reversible
2. decomposable
3. combustible
4. unpredictable
In the synthesis of ammonia what happens to the unreacted nitrogen and hydrogen? [am-58]
1. purified and let out into the atmosphere without causing pollution
2. recycled through the reaction chamber immediately
3. collected and stored for later ammonia production
4. burned to preheat the gases coming into the hot reactor to stop it cooling down
Ammonia is converted into the useful chemical product? [am-59]
1. nitrogen monoxide
2. nitrogen
3. nitric acid
4. nitromethane
Ammonia is converted into the useful chemical product? [am-60]
1. nitrogen monoxide
2. nitrogen
3. sodium sulfate
4. ammonium sulfate
Ammonia is converted into the useful chemical product? [am-61]
1. ammonium nitrate
2. nitrogen
3. nitromethane
4. nitrogen monoxide
A simple test for ammonia is? [am-62]
1. gives a squeaky pop! with a lit splint
2. turns damp red litmus blue
3. re-ignites a glowing splint
4. turns limewater milky
Ammonia dissolved in water is best described as a? [am-63]
1. weak acid solution
2. neutral salt solution
3. weak alkali solution
4. strong acid solution
The reaction to convert ammonia into artificial fertiliser salts, is an example of? [am-64]
1. oxidation
2. decomposition
3. equilibrium
4. neutralisation
What is a typical pressure range in the operating conditions for the manufacture of ammonia by the Haber process? [am102]
1. 200 to 400 atm.
2. 1 to 10 atm.
3. 50 to 100 atm.
4. 600-800 atm.
What is a typical temperature range in the operating conditions for the manufacture of ammonia by the Haber process? [am103]
1. 25 to 100^oC
2. 300 to 450^oC
3. 100 to 200^oC
4. 500 to 800^oC
Which metal is used in making catalysts for the Haber synthesis of ammonia? [am104]
1. copper
2. sodium
3. iron
4. gold

Practise exam questions on reversible reactions, synthesis and uses of ammonia (easier-foundation tier GCSE level chemistry)