Question

what is meant by displacement reaction? give an example.

Answer 1

Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound.
(Both metals and non-metals take part)

 Reaction of iron nails with copper sulphate solution is an example of Displacement reaction

Answer 2

Hy
The reaction in which elements replace by other reagent is called displacement reaction....
Eg 2NaCl+H2SO4 = 2HCl + Na2SO4
Hope it helps u.....