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2 marksWater

CAPE Chemistry Unit 2 · 2008 (T&T) · Paper 2 · Question 3(b)(i)

Fertilisers in agriculture and water pollution.

Suggest TWO reasons why farmers need to use chemical fertilisers in crop production.

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Other parts of this question

  1. 3(a)(i)List THREE human activities, OTHER THAN agricultural, which lead to water pollution.[3 marks]
  2. 3(a)(ii)State TWO effects of water pollution.[2 marks]
  3. 3(b)(ii)Explain how fertilisers cause water pollution.[2 marks]
  4. 3(c)Describe a simple laboratory test that would confirm the presence of EACH of Pb2+ and NO3- ions in a sample of water.[6 marks]

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