A metal X forms a salt ${XSO}_{4}$ . The salt ${XSO}_{4}$ forms a clear solution in water which reacts with sodium hydroxide solution to form blue precipitates Y. Metal X is used in making electric wires and alloys like brass. The metal X is

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Iron

Aluminium

Copper

Magnesium

answer is B.

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Detailed Solution

A metal X forms a salt

{XSO}_{4}

. The salt

{XSO}_{4}

forms a clear solution in water which reacts with sodium hydroxide solution to form blue precipitates Y. metal X is used in making electric wires and alloys like brass. The metal X is copper.
The salt forms a clear solution in water which reacts with sodium hydroxide solution to form a blue precipitate made of metal copper. Copper is used in making electric wires and alloys like brass. Copper and zinc make up brass. Therefore, the metal X is copper. Its reaction is given as