(a) What happens when an aqueous solutin of sodium sulphate reacts with an aqueous solution of barium chloride ?
(b) Write the balanced chemical equation for the reactin which takes place.
(c ) State the physical conditions of reactants in which the reactin will not take place.
(d) Name the type of chemical reactio which occurs.
(e) Give one example of another reaction which of the same type as the above reaction.

Answer

Solid sodium sulphate and Solid barium chloride (d) Double displacement reaction (e ) Double displacement reaction between silver nitrate solution and sodium chloride solution to from a white precipitate of silver chloride and sodium nitrate solution