Q. 614.6( 5 Votes )

A strip of metal X is dipped in a blue coloured salt solution YSO4. After some time, a layer of metal Y form the salt solution is formed on the surface of metal strip X. Metal X is used in galvanization whereas metal Y is used in making electric wires. Metal X and metal Y together form an alloy Z. (a) What could metal X be?
(b) What could metal Y be?
(c) Name the metal salt YSO4.
(d) What type of chemical reaction takes place when metal X reacts with salt solution YSO4? Write the equation of the chemical reaction involved.
(e) Name the alloy Z.

Answer :

(a) Metal X is Zinc(Zn).

(b) Metal Y is Copper(Cu)

(c) Metal Salt is Copper Sulphate(CuSO4).

(d) Displacement Reaction takes place.

The chemical equation:

CuSO4 (aq) + Zn (s) ZnSO4 (aq) + Cu (s)

(e) Alloy Z is Brass.

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