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2 marksIdentification of Cations and Anions

CAPE Chemistry Unit 1 · 2013 · Paper 2 · Question 3(a)(ii)

Table 1 shows an incomplete list of cations with expected flame test results.

Complete the table.

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Other parts of this question

  1. 3(a)(i)Outline TWO reasons why aqueous hydroxide ions, OH⁻(aq), are used in the identification of cations.[2 marks]
  2. 3(b)Complete Table 2 by writing the relevant observations.[5 marks]
  3. 3(c)(i)Write half equations to explain the observation in test (b)(ii).[4 marks]
  4. 3(c)(ii)Identify the salts in mixture M.[2 marks]

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