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प्रश्न
उत्तर
An aqueous solution of ammonia is prepared by dissolving ammonia in water. Ammonia is highly soluble in water.
The funnel arrangement is used to prepare aqueous solution of ammonia. In this method, ammonia gas is introduced through a funnel tube where the rate of dissolution of ammonia is faster than it is produced. This creates a partial vacuum, in delivery tube, resulting in low pressure. Thus, water is forced in to equalise the pressure. To overcome this problem of back suction, the funnel is attached to outer end of the delivery tube and mouth of funnel just dips into the water in the trough.
Two advantages of this method :
(i) Prevents back suction of water into the fla sk.
(ii ) Provides a larger surface area for the absorption of the gas.
Key: Ammonia is highly soluble in water.
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संबंधित प्रश्न
Copy and complete the following equations:
- AlN + H2O →
- 2NH3 + 3PbO →
- NH3 +3Cl2 →
- NH3 + CO2 →
- Which property of ammonia is illustrated by equation (c)?
- What important fertiliser is prepared from equation (d)? State the conditions.
Give balanced equation for the following conversion:
Ammonia solution to an amphoteric hydroxide.
Choose the correct word or phrase from the options to complete the following sentence and write balanced equation for the same.
When ammonium chloride is heated, it undergoes ______.
Complete the following equation.
8NH3 +3Cl2 →
Write the equation for the action of heat on:
(i) Ammonium chloride
(ii) Ammonium nitrate
State whether each reaction is an example of thermal dissociation or thermal decomposition.
Choose the correct answer:
Ammonia can be obtained by adding water to ______.
Name the other ion formed when ammonia dissolves in water.
Ammonia is manufactured by Haber Process.
Mention two possible ways by which ammonia produced is removed from unchanged gases.
Ammonia is manufactured by Haber Process.
What is the percentage formation of ammonia?
