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 cloride → Aliminium chloride +Copper
(d) Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride

Options

A. Calcium hydroxide + Carbon dioxide `to` Calcium carbonate + water
B. Zinc+Silver nitrate `to` Zinc nitrate + Silver
C. Aluminium + Copper `to` Aluminium chloride + Copper
`2Al+3CuCl_(2) to 2AlCl_(3) to 3Cu`
D. Barium chloride + Potassium sulphate `to`Barium sulphate + Potassium chloride
`BaCl_(2)+K_(2)SO_(4) to BaSO_(4)+2KCl`