Question

4. Observe double displacement reactions given in the text book and write down the similarities​

Answer 1

Answer:

Double displacement reaction 2 compounds react with each other to exchange they are ions to form 2 new compound. K2CrO4 + BaSO4 gives out BaCrO4 + K2SO4 the precipitate of barium chromate is formed. The reaction in which reactants exchange their ions to form precipitate is called as double displacement reaction.