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7.1 Carbon compounds as fuels and feedstock

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Question 7
F

Two fuels, X and Y, are obtained from crude oil. The molecules in fuel X contain 8 carbon atoms. The molecules in fuel Y contain 20 carbon atoms.

a.

Compare the viscosity and the flammability of fuel X and fuel Y.

[2]
b.

Fuel X burns completely in oxygen. Complete the word equation for this reaction.

fuel X + oxygen →\rightarrow→ ...................... + ......................

[2]
c.

Suggest one reason why fuel X is used in cars but fuel Y is not.

[1]
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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