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10.1 Using the Earth's resources and obtaining potable water

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Question 8
H

A factory produces waste water that contains organic matter and dissolved chromium compounds.

a.

Explain why treating this waste water in the same way as sewage would not make it safe to release into a river.

[2]
b.

Suggest one additional treatment that could remove the dissolved chromium compounds from the waste water.

[1]
c.

Explain why it is easier to produce potable water from ground water than from waste water.

[3]
Markscheme

10.1 Using the Earth's resources and obtaining potable water Questions

  1. GCSE
  2. /Chemistry
  3. /10.1 Using the Earth's resources and obtaining potable water

40 exam-style questions on AQA GCSE Chemistry 10.1 Using the Earth's resources and obtaining potable water, covering 10.1.1 Using the Earth's resources and sustainable development, 10.1.2 Potable water, 10.1.3 Waste water treatment, and 10.1.4 Alternative methods of extracting metals. Each one has a worked solution and a mark scheme showing where the marks go.

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