DISPLACEMENT REACTION:- Reactions
in which more reactive element displaces or remove the less reactive element to
form the product is called displacement reaction.
Example:-CuSo4 + Zn ------- ZnSo4
DOUBLE- DISPLACEMENT REACTION:- Reactions in which there are exchange of
irons between the reactants are called double displacement reactions.
Na2 SO4 +Bacl2 --------- BaSo4 + 2Nacl