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Interpreting and interacting with earth systems

Interpreting and interacting with earth systems

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Question 8

What is the primary anthropogenic source of nitrogen oxides (NOx\text{NO}_xNOx​, representing NO\text{NO}NO and NO2\text{NO}_2NO2​) in the troposphere?

A

Microbial denitrification of synthetic nitrogen fertilizers in agricultural soils

B

High-temperature reaction of atmospheric nitrogen and oxygen in internal combustion engines

C

Anaerobic decay of organic matter in waterlogged soils and municipal landfill sites

D

Incomplete combustion of carbonaceous fuels under restricted oxygen supply

Markscheme

Interpreting and interacting with earth systems Questions

  1. GCSE
  2. /Chemistry
  3. /Interpreting and interacting with earth systems

32 exam-style questions on OCR GCSE Chemistry Interpreting and interacting with earth systems. Each one has a worked solution and a mark scheme showing where the marks go.

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