ICSE 1998 : SCIENCE Paper 2 (Chemistry) - Question 7(a) Answer the following.

SCIENCE
Paper 2 (Chemistry) - 1998
(One hour and a half)

Question 7
(a) Solution P has pH of 13, solution Q has a pH of 6 and solution R has a pH of 2.

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74.
(i) Which solution will liberate ammonia from ammonium sulphate on heating?

75.
(ii) Which solution is a strong acid?

76.
(iii) Which solution contains solute molecules as well as ions?

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