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9.3 Common atmospheric pollutants and their sources

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Question 19

A portable generator at an outdoor event uses octane, C8H18\text{C}_8\text{H}_{18}C8​H18​, as its fuel.

a.

Write the balanced symbol equation for octane burning in a plentiful supply of oxygen.

[2]
b.

The generator's air filter becomes blocked, so too little air reaches the fuel. Octane forms only carbon monoxide and water. Write a balanced symbol equation for the reaction.

[2]
Markscheme

9.3 Common atmospheric pollutants and their sources Questions

  1. GCSE
  2. /Chemistry
  3. /9.3 Common atmospheric pollutants and their sources

102 exam-style questions on AQA GCSE Chemistry 9.3 Common atmospheric pollutants and their sources, covering 9.3.1 Atmospheric pollutants from fuels and 9.3.2 Properties and effects of atmospheric pollutants. Each one has a worked solution and a mark scheme showing where the marks go.

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