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7.1 Carbon compounds as fuels and feedstock

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Question 23
H

Which conditions are used for catalytic cracking?

[1]
A

The hydrocarbon vapour is mixed with steam and heated to a very high temperature.

B

The hydrocarbon vapour is heated and then passed over a hot solid catalyst.

C

The hydrocarbon vapour is cooled and then passed over a hot solid catalyst.

D

The hydrocarbon vapour is mixed with steam and cooled to a very low temperature.

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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