Physical Properties of HCl

Q.

What is the colour of pure hydrochloric acid?

1. Blue

2. Green

3. White

4. Colourless

Q. The smell of hydrogen chloride gas creates a choking sensation.

1. True
2. False

Q.

12. How will you obtain dry oxygen in the laboratory

Q.

INDENTIFICATION OF CHLORINE GAS

Q. In the Laboratory Experiment of preparation of HCl what is the solution contained in the thistle funnel?

1. Sulphuric acid.
2. Hydrogen gas.
3. Hydrochloric acid.
4. Sodium Chloride.

Q.

When the density of air is compared with that of hydrogen chloride, the density of hydrogen chloride is ________ to air.

1. Lesser

2. Lesser than or equal

3. Equal

4. Greater

Q.

Which among the given options is not a physical property of HCl gas?

1. Pale yellow colour

2. Denser than air

3. Acidic nature

4. Pungent smell

Q.

Name a gas which fumes in moist air.

Q.

Why does not dry $HCl$ gas change the colour of the dry litmus paper?

1. Dry HCl gas releases $O{H}^{-}$ ions

2. Dry HCl gas does not release $H^{+}$ ions

3. Dry HCl gas does not release $O{H}^{-}$ ions

4. Dry HCl gas releases $H^{+}$ ions

Q.

Name a drying agent for ammonia gas.

Q.

A balloon filled with___ gas rises in the air because the density of___ gas is less as compared to air.

Q. Question 1
How would you distinguish experimentally between an alcohol and a carboxylic acid?

Q.

Which compound is present in the drying tower through which ammonia is passed?

1. Quicklime

2. Sulphuric acid

3. Ammonium hydroxide

4. Sulphur dioxide

Q.

Pure hydrochloric acid is

1. light yellow
2. orange
3. colourless
4. light brown

Q. Chlorine gas dissolves in water, forming a greenish solution called perchloric acid.

1. True
2. False

Q.

In a laboratory, Jar A is filled with a colourless acid. Jar B is filled with pale yellow acid. Which jar is filled with hydrochloric acid?

1. Jar A

2. Jar B

3. Both Jar A and Jar B

4. Neither Jar A and Jar B

Q.

Why does not dry $HCl$ gas change the colour of the dry litmus paper?

1. Dry HCl gas releases $H^{+}$ ions

2. Dry HCl gas does not release $H^{+}$ ions

3. Dry HCl gas does not release $O{H}^{-}$ ions

4. Dry HCl gas releases $O{H}^{-}$ ions

Q. Identify the correct statements from the following

1. HCl is non-corrosive and has a density 0.5 times that of air
   
2. HCl is highly corrosive and has a density 1.25 times that of air
   
3. HCl has a sour taste and dissociation of HCl in water exhibits a cloudy nature
4. HCl has a sour taste and doesn't dissociate in water

Q. How does HCl find its application in the field of milk and beverages?

1. Processing of milk and beverages
2. Sterilizing the containers
3. Preservation of beverages
4. Recycling of containers

Q.

What happens when hydrogen chloride reacts with atmospheric water vapour?

1. Red fumes are formed.

2. Green fumes are formed.

3. White fumes are formed.

4. The gas formed is colourless.

Q. When the stopper of a bottle containing colorless solution was removed, the bottle gave out a smell like that of vinegar. Identify the solution. What is the nature of the solution?

Q.

State the odour of HCl gas.

1. Pungent, choking smell

2. Sweet smell

3. Burnt smell

4. Rotten egg smell

Q.

Pure hydrochloric acid is

1. light yellow
2. orange
3. colourless
4. light brown

Q. Identify the correct statements from the following

1. HCl is non-corrosive and has a density 0.5 times that of air
   
2. HCl is highly corrosive and has a density 1.25 times that of air
   
3. HCl has a sour taste and dissociation of HCl in water exhibits a cloudy nature
4. HCl has a sour taste and doesn't dissociate in water