Question

WRITE THE BALANCED CHEMICAL EQUATIONS OF THE FOLLOWING
WHAT HAPPENS WHEN
1. When calcium carbonate reacts with dilute hydrochloric acid
2. When zinc reacts with dilute sulphuric acid
3. When sodium nitrate is strongly heated
4. When green coloured copper carbonate is strongly heated
5. When white crystals of lead nitrate are strongly heated

Answer 1

Answer:

1.CaCO³+2HCl→CaCl²+H²O+CO²

2. Zinc reacts with dilute sulphuric acid to form zinc sulphate and hydrogen gas.

Zn+H2SO4 →ZnSO 4 +H 2 ↑

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