"Describe and explain" questions — Eduqas A-Level Chemistry
17 questions · chemistry · View as Markdown
How to answer
"describe and explain" questions from Eduqas A-Level Chemistry. Read the rubric carefully — the marking points cluster into scientific ideas rather than free-form prose.
Sample questions
- A sports drink manufacturer wants to check that a new batch of drink contains the correct mixture of compounds. A sample…
- Amino acids can join together to form peptides and proteins. Describe how amino acids are structured and explain how the…
- Bromoethane can react with ammonia to produce an organic product. Describe what is meant by the term halogenoalkane and …
- Methane (CH₄) is the simplest hydrocarbon and is the main component of natural gas. Describe what is meant by the term '…
- Methanol, ethanol and propan-1-ol are the first three members of the alcohol homologous series. Describe the physical pr…
- Ethanol can be produced by fermentation using yeast and glucose. The ethanol produced can then be separated from the fer…
- Butanone and butanal are both carbonyl compounds with the molecular formula C₄H₈O. A chemist wants to identify which com…
- Propanoic acid reacts with sodium carbonate solution. Describe what you would observe during this reaction and explain w…