Question

Write T for true and F for false for the following statements
1. The combustion of carbon is an endothermic reaction.
2. When ignited, hydrogen burns in oxygen with a 'pop'.
3. Ammonia gives white fumes with hydrogen chloride gas.
4. Hydrogen sulphide is a sweet-smelling gas.​

Answer 1

Answer:

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Explanation:

1) The combustion of carbon is an endothermic reaction. - False

2) When ignited, hydrogen burns in oxygen with a 'pop'. - True

3) Ammonia gives white fumes with hydrogen chloride gas. - True

4) Hydrogen sulphide is a sweet-smelling gas.- False

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Answer 2

Answer:

1. false

2. true

3. true

4. false

Explanation:

1. combination reactions are exothermic in nature

4. H2S smells like rotten egg