State change of Substances

Q.

What happens to the temperature at the point of fusion?

1. Temperature decreases.

2. Temperature suddenly decreases to 0 degree Celsius.

3. Temperature increases.

4. Temperature remains constant.

Q.

In the given figure below, the appropriate terms A, B and C respectively are:

1. A - Sublimation, B - Solidification, C - Vaporization

2. A - Diffusion, B - Sublimation, C - Vaporization

3. A - Freezing , B - Vaporization, C - Solidification

4. A - Vaporization, B - Solidification, C - Sublimation

Q. Ifwe put a chilled glass of water in 100°c temperature, it will get boiled and be hot water?
And if we put hot glass of water in 100°c temperature, it will condense?

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. Sublimation

3. De-evaporation

4. Condensation

Q.

The process by which matter in solid state changes to a gaseous state, due to an increase in temperature and/or decrease in pressure is called as ______________.

1. Evaporation

2. Condensation

3. Sublimation

4. Diffusion