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9.3 Common atmospheric pollutants and their sources

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Question 40
F

A fuel burns with a smoky yellow flame and leaves black solid on a cold surface. What does this show about the combustion of the fuel?

[1]
A

The fuel is burning in too little oxygen

B

The fuel is burning in too much oxygen

C

The fuel contains sulfur as an impurity

D

The fuel contains nitrogen as an impurity

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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