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6.3 Interpreting and interacting with earth systems

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Question 33

A laboratory team burns equal masses of wood in a test chamber with different oxygen concentrations in the air supplied. The mass of particulate collected is shown below.

Oxygen concentration in air supplied (%)Particulate collected (g)
180.08
120.42
80.91

Explain the trend shown by the results. Then predict how burning wood with a poor supply of oxygen affects the amount of sunlight reaching the ground.

[3]
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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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