Question

what is double displacement reaction​

Answer 1

Answer:

a double displacement reaction is a type of chemical reaction in which the reactant ions exchange places to form new products. Usually, a double displacement reaction results in precipitate formation. The chemical bonds between the reactants may be either covalent or ionic.

Answer 2

Answer:

$\bold \purple{double \: displacement \: reaction}$

Those reactions in which two compounds react by an exchange of ions to form two new compounds are called double displacement reactions.

For example, Na2S+2HCl→2NaCl+H2S.