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6.3 Interpreting and interacting with earth systems

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Question 28

An industrial kiln uses methane burners. An engineer compares three burner settings.

SettingOxygen supplyMaximum flame temperature in ∘C^\circ\text{C}∘C
Plimited1100
Qplentiful1100
Rplentiful1900

Explain why setting Q is likely to produce less carbon monoxide than setting P. Then explain why changing from setting Q to setting R could increase the damage caused by the exhaust gases.

[4]
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6.3 Interpreting and interacting with earth systems Questions

  1. GCSE
  2. /Chemistry
  3. /6.3 Interpreting and interacting with earth systems

109 exam-style questions on OCR GCSE Chemistry 6.3 Interpreting and interacting with earth systems, covering 6.3.1 Formation and evolution of the atmosphere, 6.3.2 The greenhouse effect and climate change, 6.3.3 Sources and problems of atmospheric pollutants, and 6.3.4 Producing potable water. Each one has a worked solution and a mark scheme showing where the marks go.

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