Study of Compounds - Ammonia Chemistry - Study of Compounds - Ammonia

Choose the correct answer :
Ammonia can be obtained by adding water to : ________ .

State the following conditions required in the Habers process:

1. Temperature
2. Pressure
3. Catalyst

Give reason:
In the lab. preparation of ammonia
(i) calcium hydroxide is used in excess
(ii) a flask is fitted in slanting position

Ammonia is manufactured by Haber Process.
What is the function of:
(i) Finely divided iron
(ii) Molybdenum in the above process

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.
State one possible source of each reactant used in Haber process.

Explain with a diagram of the preparation of aqueous ammonia.

What is the formula for liquid ammonia? Account for the basic nature of this compound.

Give reason:
Ammonium nitrate is not used in the preparation of ammonia.

Give reason:
Ammonium compounds do not occur as minerals.

Ammonia is manufactured by Haber Process.
How can this percentage formation be increased?

Ammonia is manufactured by Haber Process.
What is the percentage formation of ammonia?

Heating ammonium chloride with sodium hydroxide produces ________ .(ammonia, nitrogen)

when ammonium chloride is heated, it undergoes ________ . (thermal decomposition, dissociation)

ammonium chloride is a soluble salt prepared by ________ . (precipitation, neutralization)

Correct the following:
Ammonium salts, on heating, decompose to give ammonia.

An element has 2 electrons in its N shell. It reacts with a non-metal of atomic number 7. The compound formed reacts with warm water and produces a basic gas. Identify the elements and write a balanced chemical reaction.

Name the common refrigerant. How does it deplete the ozone layer?

A gas ‘A’ reacts with another gas ‘B’ in the presence of a catalyst to give a colourless gas ‘C’. The gas ‘C’ when comes in contact with air produces a brown gas ‘D’. The solution of ‘A’ in water turns red litmus blue. Explain the observations.