Question

Double Displacement reaction. Please answer me.

Answer 1

A double displacement reaction, also known as a double replacement reaction or metathesis, is a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products.

HOPE it helps to you!!!

Answer 2

the reaction in which exchange of ion occur is called d d reaction