Question

Q25. (a) Write the balanced chemical equations for the preparation of following salts:
(i) A soluble sulphate (by the action of an acid on a metal).
(ii) A soluble sulphate (by the action of an acid on an insoluble metal oxide).
(iii)An insoluble sulphate (by the action of an acid on another salt).
(b) Sodium reacts with oxygen to produce sodium oxide which dissolves in water to form sodium
hydroxide. On adding hydrochloric acid to the base solution, salt and water are produced. Write
balanced chemical equations to represent all the chemical reactions stated in the question. [5]
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Answer 1

Answer:

c is answer

Explanation:

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Answer 2

Answer:

C is the answer

Explanation:

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