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10.1 Using the Earth's resources and obtaining potable water

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Question 14
H

A student writes that tap water in the UK is pure water. Which statement explains why the student is wrong?

[1]
A

Tap water has been sterilised, and sterilised water is never pure

B

Tap water boils at 100 ∘C100\ ^\circ\text{C}100 ∘C, but pure water boils below this value

C

Tap water contains dissolved substances, so it is not a single substance

D

Tap water has passed through filter beds, so it contains solid particles

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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