Question

5 daily life situation questions on chapter atoms molecules and chemical reactions​

Answer 1

Answer:

chemical reaction :

carbon dioxide,

hydrogen sulfide ,

ammonia,

sulphuric acid.

Answer 2

Answer:1. Define polyatomic ion? Give examples

2. Find the molecular mass of H2o .

3. Difference between molecules 2o and o2.

4. Define valency. What is the atomicity of phosphorus and nitrogen.

5. What is law of conservation of mass and law of constant proportions

Explanation:

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