"Describe" questions — Edexcel A-Level Chemistry (9CH0)
11 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 geologist discovers a mineral sample and suspects it contains iron(III) ions, calcium ions and sulfate ions. Describe …
- Iron and copper are both transition metals. Describe three properties that iron and copper share which are typical of tr…
- Crude oil is a mixture of hydrocarbons, including alkanes. Describe the structure and bonding of alkanes, and explain wh…
- Alkenes are unsaturated hydrocarbons that contain a carbon-to-carbon double bond. Describe what is meant by the terms 'u…
- Describe the trends in melting point and reactivity as you go down Group 0 (the noble gases) and Group 1 (the alkali met…
- Chlorine, bromine and iodine are halogens in Group 7. A student investigates the physical properties and bonding of thes…
- Ethanol can be oxidised to form ethanoic acid. Describe what happens during the oxidation of ethanol, name the type of p…
- Pentan-1-ol (C₅H₁₁OH) is an alcohol. Describe how pentan-1-ol can be oxidised in the laboratory, name the organic produc…