Question

1What is displacement reactions

Answer 1

displacement reaction:-it is a reaction in which a more reactive element this place is less reactive element.
for example:- Zn+CuSO4--->ZnSO4+Cu.

Answer 2

The reaction in which a more reactive element displaces a less reactive element from it's solution is known as Displacement reaction.
Ex- K + H2O ---> KOH + H2
Hope it helps