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3 marksNon-Metals

CSEC Chemistry · May/June 2015 · Paper 2 · Question 6(b)

Second generation detergents contained phosphates, but their use was banned due to environmental effects on rivers and streams.

Outline the harmful effect that second generation detergents had on the environment.

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Other parts of this question

  1. 6(a)(i)Explain to Sally why the soap may be producing more scum at Ann's house than at her house.[4 marks]
  2. 6(a)(ii)Do you expect that Sally would get the same result if she uses soapless detergent? State a reason for your answer.[2 marks]
  3. 6(c)(i)What is meant by the term 'Green Chemistry'?[2 marks]
  4. 6(c)(ii)Discuss TWO benefits of utilizing the principles involved in Green Chemistry.[4 marks]

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