Question -
Answer -
(a) Calcium hydroxide + Carbon dioxide —-> Calcium carbonate + Water
2Ca(OH)2 + 2CO2 → 2CaCO3 +2H2O
(b) Zinc + Silver nitrate —-> Zinc nitrate + Silver
Zn + 2AgNO3 → Zn(NO3)2 +2Ag2Ag
(c) Aluminium + Copper chloride —-> Aluminium chloride + Copper
2Al + 3CuCl3 → 2AlCl3 + 3Cu
(d) Barium chloride + Potassium sulphate —-> Barium sulphate + Potassium chloride
BaCl2 + K2SO4 →BaSO4 + 2KCl