Random GCSE/IGCSE science-CHEMISTRY multiple choice quiz on EXTRA ASPECTS of ORGANIC CHEMISTRY

Which of the following is an alkane? [eo-1]
Which of the following is a carboxylic acid? [eo-2]
Which of the following is an alkene? [eo-3]
Which of the following is an ester? [eo-4]
Which of the following is an alcohol? [eo-5]
Which of the following is called propane? [eo-6]
Which of the following is called propanoic acid? [eo-7]
Which of the following is called propene? [eo-8]
Which of the following is called methyl ethanoate? [eo-9]
Which of the following is called propan-1-ol? [eo-10]
Which of the following is a hydrocarbon fuel that does not readily react with bromine? [eo-11]
Which of the following 'fizzes' with a carbonate and forms an ester with alcohols? [eo-12]
Which of the following readily reacts with bromine to produce a colourless product? [eo-13]
Which of the following is a pleasant smelling liquid of a type of molecule used in perfumes and flavourings? [eo-14]
Which of the following is a molecule that reacts with organic acids to form pleasant smelling esters? [eo-15]
Which of the following is an 'ESTERIFICATION' type of reaction? [eo-16]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is an 'ALCOHOL COMBUSTION' type of reaction? [eo-17]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'HYDROCARBON COMBUSTION' type of reaction? [eo-18]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'ADDITION POLYMERISATION' type of reaction? [eo-19]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'CONDENSATION POLYMERISATION' type of reaction? [eo-20]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'FERMENTATION' type of reaction? [eo-21]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'NEUTRALISATION' type of reaction? [eo-22]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'CRACKING' type of reaction? [eo-23]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following represents 'PHOTOSYNTHESIS'? [eo-24]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following represents 'RESPIRATION'? [eo-25]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is an 'ESTERIFICATION' type of reaction? [eo-26]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is an 'ALCOHOL COMBUSTION' type of reaction? [eo-27]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is a 'HYDROCARBON COMBUSTION' type of reaction? [eo-28]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is an 'ADDITION POLYMERISATION' type of reaction? [eo-29]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is a 'CONDENSATION POLYMERISATION' type of reaction? [eo-30]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is a 'FERMENTATION' type of reaction? [eo-31]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is a 'NEUTRALISATION' type of reaction? [eo-32]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is a 'CRACKING' type of reaction? [eo-33]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following represents 'PHOTOSYNTHESIS'? [eo-34]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following represents 'RESPIRATION' reaction? [eo-35]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following chemical reagents and reaction conditions is used in the laboratory to convert 'ethanol to ethanoic acid'? [eo-36]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. heating with aqueous sodium hydroxide
4. hydrogen gas and nickel catalyst
Which of the following chemical reagents and reaction conditions is used in industry to convert 'ethene to ethanol'? [eo-37]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. heating with aqueous sodium hydroxide
4. hydrogen gas and nickel catalyst
Which of the following chemical reagents and reaction conditions is used in the laboratory or industry to convert 'natural vegetable oils to soap'? [eo-38]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. heating with aqueous sodium hydroxide
4. hydrogen gas and nickel catalyst
Which of the following chemical reagents and reaction conditions is used in industry to convert 'vegetable oils to margarine'? [eo-39]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. heating with aqueous sodium hydroxide
4. hydrogen gas and nickel catalyst
Which of the following chemical reagents and reaction conditions is used in to 'breakdown protein into amino acids'? [eo-40]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. hydrogen gas and nickel catalyst
4. heating with hydrochloric acid
Which of the following chemical reagents and reaction conditions is used in to 'breakdown starch into glucose'? [eo-41]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. hydrogen gas and nickel catalyst
4. heating with hydrochloric acid
Which of the following molecular pictures corresponds to a 'typical thermoplastic' used for making bottles? [eo-42]
1. picture 1
2. picture 2
3. picture 3
Which of the following molecular pictures corresponds to a 'thermoplastic fibre'? [eo-43]
1. picture 1
2. picture 2
3. picture 3
Which of the following molecular pictures corresponds to a 'hard thermoset plastic'? [eo-44]
1. picture 1
2. picture 2
3. picture 3
Which of the following molecular pictures corresponds to unprocessed 'thermosoftening plastic'? [eo-45]
1. picture 1
2. picture 2
3. picture 3
Which of the following molecular pictures corresponds to 'Nylon or Terylene used in clothing'? [eo-46]
1. picture 1
2. picture 2
3. picture 3
Which of the following molecular pictures corresponds to the 'plastic set in a fibre glass car body'? [eo-47]
1. picture 1
2. picture 2
3. picture 3
Which of the following separation methods of would be used to 'separate amino acids from hydrolysed protein? [eo-48]
1. chromatography
2. fractional distillation
3. filtration
4. crystallisation
Which of the following separation methods of would be used to 'obtain much purer ethanol/alcohol from fermented sugar solution? [eo-49]
1. chromatography
2. fractional distillation
3. filtration
4. crystallisation
Which of the following separation methods of would be used to 'remove yeast from fermented sugar solution? [eo-50]
1. chromatography
2. fractional distillation
3. filtration
4. crystallisation
Which of the following separation methods of would be used to 'obtain a purer sample of aspirin powder from a chemical preparation of it? [eo-51]
1. chromatography
2. fractional distillation
3. filtration
4. crystallisation
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is most likely to readily react with bromine? [eo-52]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is both a carboxylic acid and an ester? [eo-53]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is not an ester, but is a carboxylic acid? [eo-54]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of the molecules contains one element the other three do not have in their structure? [eo-55]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them has the formula C₆H₈O₆? [eo-56]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them has the formula C₉H₈O₄? [eo-57]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them has the formula C₁₃H₁₈O₂? [eo-58]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them has the formula C₈H₉NO₂? [eo-59]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them can form an ester with a carboxylic acid and readily form a dibromo compound with bromine? [eo-60]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is an ester and can still form an ester with an alcohol? [eo-61]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is not an ester, but can form an ester with an alcohol and will not readily react with bromine? [eo-62]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is not an ester or a carboxylic acid or an alcohol? [eo-63]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
Which of the following general formula represents the homologous series of alkanes? [eo-6]
1. C_nH_2n+2 where n = 1, 2, 3, ...
2. C_nH_2n where n = 2, 3, 4, ...
3. C_nH_2n+1OH where n = 1, 2, 3, ...
4. C_nH_2n+1COOH where n = 0, 1, 2, ...
Which of the following general formula represents the homologous series of alkenes? [eo-65]
1. C_nH_2n+2 where n = 1, 2, 3, ...
2. C_nH_2n where n = 2, 3, 4, ...
3. C_nH_2n+1OH where n = 1, 2, 3, ...
4. C_nH_2n+1COOH where n = 0, 1, 2, ...
Which of the following general formula represents the homologous series of alcohols? [eo-66]
1. C_nH_2n+2 where n = 1, 2, 3, ...
2. C_nH_2n where n = 2, 3, 4, ...
3. C_nH_2n+1OH where n = 1, 2, 3, ...
4. C_nH_2n+1COOH where n = 0, 1, 2, ...
Which of the following general formula represents the homologous series of carboxylic acids? [eo-67]
1. C_nH_2n+2 where n = 1, 2, 3, ...
2. C_nH_2n where n = 2, 3, 4, ...
3. C_nH_2n+1OH where n = 1, 2, 3, ...
4. C_nH_2n+1COOH where n = 0, 1, 2, ...
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is good at removing harmful free radicals in the body? [eo-68]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occuring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them does NOT produce fizzing when mixed with water and a carbonate? [eo-69]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol

Random GCSE/IGCSE science-CHEMISTRY multiple choice quiz on EXTRA ASPECTS of ORGANIC CHEMISTRY

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