ICSE - GIVE REASONS - AMMONIA

GIVE REASONS - AMMONIA - ICSE CHEMISTRY

1. In the laboratory preparation of Ammonia Calcium hydroxide is taken in excess quantity.
2. Ammonium nitrate is not used in the preparation of Ammonia gas.
3. Conc. H₂SO₄ is not used as a drying agent for Ammonia gas.
4. Round bottom flask is kept in inclined position in the preparation of Ammonia in laboratory preparation of Ammonia.
5. NaOH is not preferred in the laboratory preparation of Ammonia gas.
6. Metal nitrides are not preferred to prepare Ammonia gas.
7. In Haber’s process the reaction mixture is heated initially only.
8. Lead hydroxide is insoluble in excess Ammonium hydroxide but Copper hydroxide is soluble.
9. Ammonia gas is not collected over water.
10. Platinum continues to glow even after the heating is discontinued in catalytic oxidation of Ammonia gas.
11. Liquid Ammonia is used as a refrigerant.
12. Ammonium hydroxide is weak base.

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