Inter Conversion of States of Matter

Q.

The vapor pressure of a liquid depends upon_____.

Q.

The reverse process of sublimation is called___________

1. Solidification

2. Melting

3. Sublimation

4. Evaporation

Q.

A gas can be liquified by:

1. lowering the temperature

2. increasing the temperature

3. increasing the pressure.

4. both by increasing the pressure and lowering the temperature.

Q.

A gas changes to liquid on cooling. why?

Q.

Name the following

(4). Process by which a liquid changes into a gas

Q.

Name the process during which a liquid changes into a solid.

Q.

The phase change of a substance from the liquid state to the gaseous state is called __________

1. Solidification

2. Vaporisation

3. Diffusion

4. Sublimation

Q.

Matter can change its state by application of ___________ and ___________ or both.

Q.

A, B, C, and D are processes involved in interchanging the states of a matter as shown below :

Which of these processes, A, B, C, or D involve (s) heat loss?

Q.

The picture below shows the changes in two states of matter. Identify the process 'X', by which gas is converted to liquid.

1. Sublimation

2. Freezing

3. Melting

4. Condensation

Q.

Which of the following phenomenon can transform matter from one state to another?

1. Change in temperature

2. Change in concentration

3. Change in pressure

4. None of the above.

Q. Ice converts into liquid water when pressure is applied.

1. True
2. False

Q.

How does ice get converted into liquid water?

1. Heat is absorbed.

2. Heat is released.

3. Temperature increases.

4. Temperature decreases.

Q. Ice converts into liquid water by absorbing heat.

1. False
2. True

Q.

In which of the following processes do the change in the states of matter involve the absorption of energy?
i. Boiling ii.Condensation iii. Melting

1. i only

2. i and ii only

3. i, ii and iii

4. i and iii only

Q.

It is observed that the temperature of the surroundings starts falling when the ice in a frozen lake starts melting. Given a reason for the observation.

Q.

Which of the following can transform matter from one state to another?

1. Change in temperature

2. Change in concentration

3. Change in pressure

4. Change in heat

Q.

The picture below shows the changes in two states of matter. Identify the process 'X', by which gas is converted to liquid.

1. Freezing

2. Melting

3. Condensation

4. Sublimation