Question

20. Write the balanced chemical equations for the following reactions.

a) Calcium hydroxide + Carbon dioxide →Calcium Carbonate + water.

b) Zinc + Silver nitrate → Zinc nitrate + Silver.

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Answer 1

Explanation:

• The question given to us is Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water. The balanced chemical reaction is Ca(OH)2 + CO2 --> CaCO3 + H2O.
• Zn +2AgNo3 ---------->>Zn(No3)2 +2Ag

Answer 2

Explanation:

refer to the pic, it might help you out