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10.3 Using materials

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Question 15

A student examines two copper-alloy samples. The other element in each sample is shown in the table.

SampleOther element
Ptin
Qzinc
a.

Name alloy P.

[1]
b.

Name alloy Q.

[1]
c.

In terms of hardness, alloys are usually ______ than pure metals.

Give the missing word.

[1]
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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