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2 marksNon-Metals

CSEC Chemistry · January 2010 · Paper 2 · Question 7(d)(i)

Hydroponics is an alternative method of growing crops.

State TWO advantages of using hydroponics.

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Other parts of this question

  1. 7(a)Name TWO elements that are essential for plant growth. For EACH of the elements named, identify ONE effect of its deficiency.[4 marks]
  2. 7(b)(i)Write the names of the type of chemical reactions taking place at A and D.[2 marks]
  3. 7(b)(ii)Write the name of the formula of compound B.[2 marks]
  4. 7(b)(iii)Name the type of compound labelled C.[1 mark]
  5. 7(c)Suggest ONE way in which lime can cause nitrogen to be lost from the soil. Include a balanced ionic equation in your answer.[3 marks]
  6. 7(d)(ii)Suggest ONE possible limitation of using hydroponics.[1 mark]

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