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प्रश्न
State your observation for the following cases
(i) Ammonia gas is burnt in an atomosphere of oxygen in the absence of a catalyst
(ii) Glass rod dipped in ammonium hydroxide is brought near the mouth of the concentrated hydrochloric acid bottle
उत्तर
(i) Ammonia burns with a yellowish flame. It produces water vapour and nitrogen.
(ii) When ammonium hydroxide is brought near the mouth of concentrated hydrochloric acid, it produces dense white fumes of ammonium chloride.
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संबंधित प्रश्न
What property of ammonia is demonstrated by the fountain experiment?
When an ammonium salt is warmed with a sodium hydroxide solution, a gas is evolved. State three ways in which you can identify this gas.
State one relevant observation of burning of ammonia in air.
The diagram shows an experimental set up for the laboratory preparation of a pungent smelling gas. The gas is alkaline in nature.
- Nature the gas collected in the jar.
- Write the balance equation for the above preparation.
- How is the gas being collected?
- Name the drying agent used.
- How will you find that the jar is full of gas?
What do you observe when Ammonia in excess is mixed with chlorine.
Of the two gases, ammonia and hydrogen chloride, which is denser? Name the method of collection of this gas.
- Of the two gases, ammonia and hydrogen chloride, which is more dense? Name the method of collection of this gas.
- Give one example of a reaction between the above two gases which produce a solid compound.
- Write the balanced equation for a reaction in which ammonia is oxidized by:
- A metal oxide
- a gas which is not oxygen
Identify the terms for the following:
The experiment which demonstrates high solubility of ammonia gas.
State a relevant reason for the following:
Ammonia gas is not collected over water.
