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10.3 Using materials

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Question 10

A commemorative medallion is cast using 30.0 g of 18 carat gold. What mass of metals other than gold is present in the medallion?

[1]
A

10.0 g10.0\ \text{g}10.0 g

B

7.5 g7.5\ \text{g}7.5 g

C

5.0 g5.0\ \text{g}5.0 g

D

22.5 g22.5\ \text{g}22.5 g

Markscheme

10.3 Using materials Questions

  1. GCSE
  2. /Chemistry
  3. /10.3 Using materials

118 exam-style questions on AQA GCSE Chemistry 10.3 Using materials, covering 10.3.1 Corrosion and its prevention, 10.3.2 Alloys as useful materials, and 10.3.3 Ceramics, polymers and composites. Each one has a worked solution and a mark scheme showing where the marks go.

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