Preparation of Nitrogen

Q. Ammonium chloride and sodium nitrate are used for the laboratory preparation of which gas?

1. Nitrogen
2. Oxygen
3. Chlorine
4. Hydrogen

Q. Ammonium chloride and are used in the laboratory preparation of nitrogen.

1. sodium chloride
2. sodium nitrite
3. sodium nitrate

Q.

Out of N₂ and O₂ present in air, which will distil first when liquified air is subjected to fractional distillation?

Q. What is the product formed when nitrogen gas reacts with hydrogen gas?

1. $N{H}_2$
2. ${\mathrm{NH}}_3$
3. ${\mathrm{HN}}_2$
4. ${\mathrm{HN}}_3$

Q.

On heating ammonium dichromate and barium azide separately we get:

1. ${\mathrm{N}}_2$ in both cases

2. ${\mathrm{N}}_2$ with ammonium dichromate and $\mathrm{NO}$ with barium azide

3. ${\mathrm{N}}_2\mathrm{O}$ with ammonium dichromate and $\mathrm{NO}$ with barium azide

4. ${\mathrm{N}}_2\mathrm{O}$ with ammonium dichromate and ${\mathrm{N}}_2$ with barium azide

Q.

Pure Nitrogen can be obtained by passing ammonia vapours over heated copper (II) oxide $\left(CuO\right)$.

1. True
2. False

Q.

What method is adopted for the industrial preparation of nitrogen?

1. Heating mixture of ammonium chloride and sodium nitrate

2. Breakdown of nitric oxide

3. Breakdown of nitrogen dioxide

4. Fractional distillation

Q. During the fractional distillation of Air , which gas distilled first

Q.

Give one application of fractional distillation.

Q.

Which of the following compounds are used to prepare $N_2$?

1. Ammonium chloride

2. Ammonium sulphate

3. Sodium chloride

4. Sodium nitrite

Q.

Alexander Flemming: penicillin; Priestley: _________

1. nitrogen

2. oxygen

3. carbon dioxide

4. hydrogen

Q.

$N{H}_{4}Cl+NaN{O}_2$ when heated gives nitrogen gas.

1. True

2. False

Q. The product obtained as a result of a reaction of nitrogen with CaC2

Q. A chemical method of removal of $N{O}_2^{-}$ is to boil the mixture with $N{H}_{4}Cl$.

1. True
2. False

Q. Nitrogen was discovered by Daniel Rutherford.

1. True
2. False