Gases

Q. Seema visited a natural gas compressing unit and found that the gas can be liquefied under specific temperature and pressure conditions. Identify the conditions required.

1. Low temperature, low pressure
2. Low temperature, high pressure
3. High temperature, high pressure
4. High temperature, low pressure

Q. Question 2
Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions
(a) Low temperature, low pressure
(b) High temperature, low pressure
(c) Low temperature, high pressure
(d) High temperature, high pressure

Q.

Do the Real gases have volume ?

Q. have no definite shape and volume.

1. Gases
2. Solids
3. Liquids

Q. Which among the following shows the correct decreasing order of compressibility in the substances given below:
stone, vinegar, air

1. air > vinegar > stone
2. stone > vinegar > air
3. air > stone > vinegar
4. vinegar > stone > air

Q.

Differentiate between the following.

Mobility and compressibility

Q. Which amongst the following has the weakest interparticle force of attraction at room temperature? ​

A. Chalk
B. Iron block
C. Plastic bottle

Q. A gas completely occupies the vessel in which it is kept. Justify.

Q. Both liquids and gases have indefinite shape. Identify few differences between the two along with examples.

Q.

Oxygen and carbon dioxide are examples of liquids.

1. True
2. False

Q.

Out of solid, liquid and gas

Which has maximum particle motion?

Q. Which of the following states of matter exerts pressure on the walls of the container?

1. Solids
2. All of the above
3. Gases
4. Liquids

Q. Arrange the following substances in increasing order of forces of attraction.

1. Oxygen, water, sugar
2. Sugar, water, oxygen
3. Water, sugar, oxygen
4. Sugar, oxygen, water

Q.

Which among the following is/are gaseous at room temperature?​
I) Water​
II) Oil drops​
III) Helium inside balloons​

A. Only II
B. Only III
C. Both I and II​
D. Both II and II​I

Q. A tightly closed container has 500 mL of gas. If the gas is carefully transferred into a 1500 mL container without any leakage, what will be the volume of gas in the new container?

1. 250 mL
2. 500 mL
3. 1000 mL
4. 1500 mL

Q. Both liquids and gases have indefinite shape. Identify few differences between the two along with examples.

Q. A gas completely occupies the vessel in which it is kept. Justify.

Q. Particles of a particular substance show maximum random movement in the state.

1. liquid
2. solid
3. gaseous