Question

in a double displacement reaction.

1-he reactants are usually a metal and a non metal

2-one of the reactants is often water.
3-the reactants are generally two ionic compounds in aquoes soln.
4-energy is in the form of heat or light is often produced.

Answer 1

the reactants are generally two ionic compounds in aqueous solution

Answer 2

1. The reactants are usually metal and non metals.