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10.1 Using the Earth's resources and obtaining potable water

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Question 17

A museum collects rainwater from its roof. The water contains fine particles of dust washed off the roof.

Which treatment removes the particles of dust from the water?

[1]
A

Bubbling air through the water in a storage tank

B

Shining ultraviolet light through the flowing water

C

Adding chlorine to the water in a storage tank

D

Passing the water through layers of sand and gravel

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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