Quelpr
2 marksAcids, Bases and Salts

CSEC Chemistry · January 2009 · Paper 2 · Question 7(b)(iii)

Cotton grows well in high pH soil. Lime is sometimes added to soil to help cotton grow.

Write a balanced ionic equation to illustrate the action of lime on soil.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 7(a)(i)Suggest which bag of fertiliser (A, B or C) the farmers should use to solve the problems encountered in Scenario 1 and Scenario 2 above.[7 marks]
  2. 7(a)(ii)Provide a suitable explanation for your selection in EACH case.[1 mark]
  3. 7(b)(i)Write the chemical formula for lime.[1 mark]
  4. 7(b)(ii)What is the effect of lime on the acidity of a soil?[1 mark]
  5. 7(b)(iv)A cotton farmer recognizes that his soil needs more nitrogen, and lime, so he adds an ammonium fertiliser and lime to the soil at the same time. Explain how…[4 marks]

More practice: the rest of this paper · more Acids, Bases and Salts questions · all CSEC Chemistry past papers