Question

Name the gas evolved in each of the following cases:
(i) Copper carbonate is heated strongly.
(ii) Action of dilute hydrochloric acid on sodium sulphite.
(iii) Nitrogen combines with hydrogen.
(iv) Action of dilute sulphuric acid on sodium carbonate.
(v) Addition of sodium to cold water.
help please ​

Answer 1

Answer:

1. carbon dioxide

2. hydrogen

3. ammonoia

4. carbon dioxide

5. hydrogen

Answer 2

Answer:

I) CO2 is released

2) sulphur dioxide

3) ammonia gas

4) CO2

5) hydrogen

Explanation:

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