Iron : Copper : Zinc : ?
Carbon
Silver
Coke
Steel
All are metals.
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.
Which of the following pairs cannot undergo displacement reaction?
(a) iron sulphate solution and magnesium
(b) zinc sulphate solution and iron
(c) zinc sulphate solution and calcium
(d) silver nitrate solution and copper