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10.1 Using the Earth's resources and obtaining potable water

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Question 4

A batch of plants harvested during phytomining has a mass of 10 tonnes. Copper makes up 0.20 % of the harvested material. The plants are burned and all the copper remains in the ash. Copper makes up 5.0 % of the ash by mass.

What mass of ash is produced from the batch?

[1]
A

0.0200.0200.020 tonnes

B

0.400.400.40 tonnes

C

250250250 tonnes

D

0.500.500.50 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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