Question

Q2. Write balanced Chemical Equations:- (10)

i) Heating of aluminium hydroxide

ii) Dilute nitric acid and sodium carbonate

iii) Catalytic oxidation of ammonia

iv) Dilute Nitric acid with lead carbonate.

v) Concentrated Nitric acid with Zinc –metal.​

Answer 1

Answer:

(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

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