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9.1 Fuels

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Question 9
F

A gas boiler burns methane, CH4\mathrm{CH_{4}}CH4​, to heat water in a home.

a.

Name the two products of the complete combustion of methane.

[2]
b.i.

If the air supply to the boiler is partly blocked, incomplete combustion takes place.

Name the toxic gas that can be produced by incomplete combustion.

[1]
b.ii.

Name the black solid that can be produced by incomplete combustion.

[1]
c.

Explain why the gas named in (b)(i) is poisonous.

[2]
d.

Give one reason why a home with a gas boiler should have a carbon monoxide detector fitted.

[1]
Markscheme

9.1 Fuels Questions

  1. GCSE
  2. /Chemistry
  3. /9.1 Fuels

37 exam-style questions on Edexcel GCSE Chemistry 9.1 Fuels, covering 9.1.1 Hydrocarbons and crude oil, 9.1.2 Fractional distillation of crude oil and its fractions, 9.1.3 The alkanes as a homologous series, 9.1.4 Complete and incomplete combustion, 9.1.5 Pollutants from burning fuels, 9.1.6 Hydrogen as a fuel and non-renewable fossil fuels, and 9.1.7 Cracking of larger alkanes. Each one has a worked solution and a mark scheme showing where the marks go.

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