"Describe" questions — Eduqas A-Level Chemistry
24 questions · chemistry · View as Markdown
How to answer
Say WHAT happens, in order. No reasoning. Structure: 1. First X. 2. Then Y. 3. Then Z. Assessment Objective: AO1. Every "describe" answer on this spec is marked against exactly this pattern.
Sample questions
- A student tests two unknown organic compounds, Compound A and Compound B, using Fehling's solution. Compound A produces …
- Propan-1-ol (CH₃CH₂CH₂OH) and 1-chloropropane (CH₃CH₂CH₂Cl) belong to different homologous series. Describe the similari…
- A student wants to prepare a sample of ethyl ethanoate in the laboratory. Describe how the student would carry out this …
- Phenol and ethanol are both members of the alcohol and phenol group of organic compounds. Describe the chemical properti…
- Pentan-2-one is a carbonyl compound used as a flavouring agent in the food industry. A student wants to distinguish betw…
- A forensic scientist is analysing an unknown white powder found at a crime scene. She uses gas chromatography (GC) and m…
- Propan-1-ol undergoes combustion when it is burned in air. Describe what is observed when propan-1-ol burns in a plentif…
- A student obtains a sample of a white solid and wants to find out whether it is a pure substance or a mixture. Describe …