Question

Write balanced chemical equation for the following statements:

(i) NaOH solution is heated with zinc granules.

(ii) Excess of carbon dioxide gas is passed through lime water.

(iii) Dilute sulphuric acid reacts with sodium carbonate.

(iv) Egg shells are dropped in hydrochloric acid.

(v) Copper (II) oxide reacts with dilute hydrochloric acid.

Answer 1

2NaOH + Zn ------------>  Na2 ZnO2 +H2 gas
CaCO3 + H2O + CO3 -------------> Ca(HCO3)2
CaCO3 + HCl -------->  CaCl2 + H2O +CO2
CuO + 2HCl ---------> CuCl2 + H2O
 hope it helps

Answer 2

Heyaa...

Here is ur ans

Hope it helps u