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10.1 Using the Earth's resources and obtaining potable water

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Question 22
H

A low-grade ore contains 0.20 % copper by mass. A traditional ore contains 2.0 % copper by mass. What mass of the low-grade ore contains the same mass of copper as 1.0 tonne of the traditional ore?

[1]
A

0.10 tonnes

B

2.0 tonnes

C

10 tonnes

D

100 tonnes

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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