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7.1 Carbon compounds as fuels and feedstock

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Question 27
F

A student cracks liquid paraffin and collects the gas produced. Which observation shows that the gas contains an alkene?

[1]
A

The gas burns in air with a blue flame.

B

The gas turns limewater milky and cloudy.

C

The gas relights a glowing wooden splint.

D

The gas turns bromine water colourless.

Markscheme

7.1 Carbon compounds as fuels and feedstock Questions

  1. GCSE
  2. /Chemistry
  3. /7.1 Carbon compounds as fuels and feedstock

40 exam-style questions on AQA GCSE Chemistry 7.1 Carbon compounds as fuels and feedstock, covering 7.1.1 Crude oil, hydrocarbons and alkanes, 7.1.2 Fractional distillation and petrochemicals, 7.1.3 Properties of hydrocarbons, and 7.1.4 Cracking and alkenes. Each one has a worked solution and a mark scheme showing where the marks go.

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