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10.3 Using materials

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Question 5
F

A student investigated how quickly iron nails rusted under five different conditions, A to E. Each nail had the same mass at the start. After 14 days the student measured the mass of rust formed on each nail.

Figure: The mass of rust formed on identical iron nails kept under five different conditions for 14 days

image

a.

Give the mass of rust formed on the nail in conditions B.

[1]
b.

Use the results for conditions C and D to explain what the student can conclude about rusting.

[2]
c.

Explain the result for conditions E.

[2]
d.

Suggest why more rust formed in conditions B than in conditions A.

[1]
Markscheme

10.3 Using materials Questions

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

40 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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