Give reasons :
1. Ammonia is not collected through downward displacement of water.
2. Ammoni...
Give reasons :
1. Ammonia is not collected through downward displacement of water.
2. Ammonia is collect by the downward displacement of air.
3. Carbon dioxide is used in fire extinguisher.
4. H₂SO₄ is not used in the preparation of CO₂.
5. The opening of hard glass test tube is slanted down during laboratory preparation of ammonia gas
6. Carbon dioxide doesn't support in burning but Mg burns in it.
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Answers: 2
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