Question

A grey coloured metal X is used for coating iron to prevent it from rusting.X when dipped in iron sulphate solution the solution changes to colourless and a grayish black metal Y is formed.identify X and Y write down the chemical equation and identify the type of reaction

Answer 1

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