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10.2 Life cycle assessment and recycling

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Question 21
H

Scrap steel is melted and added to the iron produced by a blast furnace. What effect does this have?

[1]
A

Less iron ore and less coke are needed for each tonne of steel

B

The iron that leaves the blast furnace contains no carbon at all

C

The blast furnace no longer needs a supply of hot air to work

D

The reduction of iron oxide by carbon no longer has to happen

Markscheme

10.2 Life cycle assessment and recycling Questions

  1. GCSE
  2. /Chemistry
  3. /10.2 Life cycle assessment and recycling

99 exam-style questions on AQA GCSE Chemistry 10.2 Life cycle assessment and recycling, covering 10.2.1 Life cycle assessment and 10.2.2 Ways of reducing the use of resources. Each one has a worked solution and a mark scheme showing where the marks go.

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