1.In Displacement reaction one element
displaces another element from its
2. Energy is not required in any form for
3.Reactants are more than one.
1. A chemical reaction in which a
substance decomposes to form two or
more simpler substances
Ex: CaCo3(s)→Cao(s) + Co2(g)
2. Energy is required in the form of heat
or light or electricity for this reaction.
3. Reactant is only one substance