Write the balanced chemical equations for the following reactions.
(A) Calcium hydroxide + Carbon dioxide → Calcium carbonate + water
(B) Zinc + Silver nitrate → Zinc nitrate + Silver
(C) Aluminium + copper chloride → Aluminium chloride + Copper
(D) Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride.
(A) Ca(OH)2+CO2→CaCO3+H2O
(B) Zn+2AgNO3→Zn(NO3)2+2Ag
(C) 2Al+3CuCl2→2AlCl3+3Cu
(D) BaCl2+K2SO4→BaSO4+2KCl