Question

Write 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​

Answer 1

Answer:

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

Ca(OH)

2

+

CO

2

→

CaCO

3

+

H

2

(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

Answer 2

Answer:

CaOH+ CO2 --> CaCO3 + H2O

Zn + AgNO3 --> ZnNO3 + Ag

Al + CuCl2 --> alCl3 + Cu

BaCl2 + K2SO4 --> BaSO4 + KCl