Question

Prepare 5%of barium chloride solution in water.Transfer a small amount of it in to a conical flask.A small amount of sodium sulphate solution is taken in an ignition tube and hung in the conical flask.Put the cork on the flask.Weigh the flask.Swirl the flaskwrite the chemical reaction and the law which is proved

Answer 1

a white precipitate will form which is of baso4 reaction know as precipation reaction

eq :- bacl2 + naso4 = baso4 + nacl2

this reaction is know as double displacement reaction

as there is an exchange of ions between reactants