Question

25. Write balanced equations for the following word equations:
(a) Calcium hydroxide + Ammonium chloride →Calcium chloride + Water + Ammonia
(b) Potassium bicarbonate - Potassium carbonate+ Water + Carbon dioxide
(c) Potassium bromide + Chlorine -Potassium chloride + Bromine
(d) Iron + Chlorine - Iron (III) chloride
(e) Calcium + water - Calcium hydroxide + Hydrogen
Potassium nitrate - Potassium nitrite + Oxygen
(g) Iron + Hydrochloric acid →
Iron (II) chloride + Hydrogen
(h) Nitrogen dioxide + Water + Oxygen - Nitric acid
(i) Lead dioxide [lead (IV)oxide)- Lead monoxide+ Oxygen​

Answer 1

Explanation:

(a) Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water

Ca(OH)

2

+CO

2

→CaCO

3

+H

2

O

(b) Zinc + Silver nitrate → Zinc nitrate + Silver

Zn+2AgNO

3

→Zn(NO

3

)

2

+2Ag

(c) Aluminium + Copper chloride → Aluminium chloride + Copper

2Al+3CuCl

2

→2AlCl

3

+3Cu

(d) Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride

BaCl

2

+K

2

SO

4

→BaSO

4

+2KCl