The inter-molecular force is maximum in:

1. solids
2. gases
3. liquids
4. none of the above

The molecules can move freely anywhere in

1. gases
2. liquids
3. solids
4. none of the above

The molecules move only within the boundary in

1. liquids
2. gases
3. solids
4. none of the above

The temperature at which a liquid gets converted into its vapour state is called its

1. melting point
2. boiling point
3. dew point
4. freezing point