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Chemistry · May / June 2021 · Paper 11 · Question 22

5070The characteristic properties of acids and bases

Which row shows the pH values for 0.1 mol / dm3 solutions of ammonia, hydrochloric acid, sodium chloride and sodium hydroxide?

  1. ANH3 1, HCl 7, NaCl 13, NaOH 11
  2. BNH3 7, HCl 1, NaCl 11, NaOH 13
  3. CNH3 11, HCl 1, NaCl 7, NaOH 13
  4. DNH3 13, HCl 11, NaCl 7, NaOH 1

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Correct answer: C. NH3 11, HCl 1, NaCl 7, NaOH 13

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