Quelpr
5 marksWater

CAPE Chemistry Unit 2 · 2016 · Paper 2 · Question 3(d)(i)

Complete Table 2 by outlining simple laboratory tests that would confirm the presence of Pb²⁺ and NO3⁻ in a sample of water.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 3(a)Sulfur dioxide and sulfur trioxide can cause acid rain if allowed to escape during the Contact Process. Write an equation to represent the formation of acid…[2 marks]
  2. 3(b)Outline TWO ways in which other industrial chemicals lead to water pollution.[2 marks]
  3. 3(c)(i)Explain how a named pollutant affects the quality of water for human consumption.[2 marks]
  4. 3(c)(ii)Explain how a named pollutant affects the aquatic environment.[2 marks]
  5. 3(d)(ii)Write the ionic equation to represent the test on Pb²⁺ in Table 2.[2 marks]

More practice: the rest of this paper · more Water questions · all CAPE Chemistry Unit 2 past papers