Test for Ammonia

Q.

Which of the following is/are caused by ammonia ?

1. 

2. 

3. 

4. 

Q.

Nessler's reagent is an aqueous solution which contains

1. Potassium Hydroxide

2. alkalic $K_{2}Hg{I}_4$

3. Sodium chloride

4. Mercuric chloride

Q.

Passage of Ammonia gas through copper sulphate forms pale blue precipitate.What is the precipitate?

1. It decomposes giving reddish brown gas nitric oxide gas which imparts the colour

2. It decomposes giving reddish brown gas nitrogen dioxide gas which imparts the colour

3. It loses its acidic action turning yellowish brown

4. It decomposes giving reddish brown gas nitrous oxide gas which imparts the colour

Q.

Out of the following options, which gases change the colour of damp red litmus paper?

1. Ammonia and Chlorine

2. Ammonia and Hydrogen Chloride

3. Carbon Dioxide and Chlorine

4. Carbon Dioxide and Sulphur Dioxide

Q.

What is the precipitate formed on passage of Ammonia gas through copper sulphate solution which looks pale blue?

1. It decomposes giving reddish brown gas nitric oxide gas which imparts the colour

2. It decomposes giving reddish brown gas nitrous oxide gas which imparts the colour

3. It decomposes giving reddish brown gas nitrogen dioxide gas which imparts the colour

4. It loses its acidic action turning yellowish brown

Q.

What happens to moist red litmus paper put in a flask containing ammonium gas?

1. Turns blue
2. Remains red
3. Turns green
4. Turns pink

Q.

Which of the following is/are caused by ammonia?

1. 

2. 

3. 

4. 

Q.

The chemical composition of laughing gas is

1. Nitrogen

2. Nitric Oxide

3. Nitrogen Dioxide

4. Nitrous Oxide

Q.

Ammonium nitrate on being heated

1. Are stable to heat

2. Change in state

3. Sublime

4. Decompose

Q. What is the odour of ammonia gas?

1. Fragrant
2. Odourless
3. Pungent
4. Medicinal