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10.1 Using the Earth's resources and obtaining potable water

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Question 5

Plants used in phytomining are harvested and burned. The ash is processed to make a solution containing copper ions, which is then electrolysed.

Which statement correctly links the electrode where copper is produced with the change to the copper ions?

[1]
A

Copper ions gain electrons at the negative electrode

B

Copper ions lose electrons at the negative electrode

C

Copper ions gain electrons at the positive electrode

D

Copper ions lose electrons at the positive electrode

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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