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9.3 Common atmospheric pollutants and their sources

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Question 4

A metalworker uses a blowtorch that burns a hydrocarbon fuel. A partly blocked air inlet causes the flame to release soot.

Which process directly produces the soot?

[1]
A

Some carbon leaves as unburned hydrocarbon particles.

B

Some carbon in the fuel is only partly oxidised.

C

Some carbon in the fuel is not oxidised.

D

Carbon in the fuel is completely oxidised.

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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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