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10.1 Using the Earth's resources and obtaining potable water

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Question 26
F

Which substance is used to sterilise water at a UK water treatment works?

[1]
A

Chlorine gas added to the treated water

B

Nitrogen gas bubbled through the water

C

Hydrogen gas bubbled through the water

D

Argon gas dissolved into the treated water

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

87 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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