Rapid conversion of water into steam is an example of

1. evaporation
2. freezing
3. melting
4. vaporization

Evaporation takes place

1. from the surface of liquid
2. throughout the liquid
3. from the mid-portion of the liquid
4. from the bottom of liquid

Identify the correct statement.

(1) The molecules of water move faster than ice.

(2) The molecules are more closely packed in ice than water.

(3) The molecules of water vibrate to and fro only but those of ice are free to move within the boundary of the vessel in which it is kept.

(4) The molecules have more intermolecular space in ice than in water.

1. (1), (2) and (3)
2. (2), (3) and (4)
3. (1) and (2)
4. all are correct

Assertion (A) : We often pour tea in a saucer to cool it faster.

Reason (R) : Evaporation takes place at all temperatures.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true and R is not the correct explanation of A
3. Assertion is true but reason is false
4. Assertion is false but reason is true