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प्रश्न
When an ammonium salt is warmed with sodium hydroxide solution, ammonia gas is evolved. State three ways by which you can identify this gas.
टीपा लिहा
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उत्तर
Three ways to identify ammonia gas:
1. It is a pungent smell gas.
2. It gives white precipitate when bubbles through a solution of lead nitrate.
3. It gives a brown colour or precipitate when treated with Nessler's reagent.
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