10.3 Using materials

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

Question 6

A recycling centre analyses two copper alloys.

Sample	Elements present
X	copper and tin
Y	copper and zinc

Which statement correctly identifies bronze and explains why it is usually harder than pure copper?

[1]

Sample Y. The atoms are different sizes, distorting the layers so they cannot slide easily.

Sample X. The atoms are the same size, forming layers that can slide more easily.

Sample X. The atoms are different sizes, distorting the layers so they cannot slide easily.

Sample Y. The atoms are the same size, forming layers that can slide more easily.

Markscheme

10.3 Using materials Questions

GCSE
Chemistry
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.

Question bank·10.3 Using materials