Question

A grey coloured metals X is used for coating iron to prevent it from rusting X when dipped in iron sulphate solution the solution change to colourless and a greyish black metal y is formed identify the type of reaction

Answer 1

X=zinc y= iron and the type of reaction is a displacement reaction.

Answer 2

X --- zinc  

Y--- iron

When zinc is dipped in iron sulphate solution it displaces iron from the solution nd will form zinc sulphate  

Zn + FeSO4 -----------> Fe + ZnSO4  

it is displacement reaction