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2 marksNon-Metals

CSEC Chemistry · January 2010 · Paper 2 · Question 6(a)(iii)

Clay is used extensively in pottery to make items of different shapes.

Relate this use of clay to ONE of its properties.

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Other parts of this question

  1. 6(a)(i)Describe the chemical composition of clay.[1 mark]
  2. 6(a)(ii)Suggest a possible source of 'glass' in fired clay.[1 mark]
  3. 6(b)From your knowledge of the composition of cement and its use in making concrete, explain the reason for the mason's advice.[3 marks]
  4. 6(c)(i)Name ONE plant fibre and ONE animal fibre used in making fabric, and state the chemical composition of plant fibres and animal fibres.[4 marks]
  5. 6(c)(ii)Suggest TWO chemical tests which may be used to distinguish an animal fibre from a plant fibre. Include the expected observations.[4 marks]

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