Which of the following gases diffuse fastest?
The vapour pressure of a liquid increases with the:
The freezing point depends upon:
One atmospheric pressure is equal to:
Which of the following does not affect the boiling point:
The mobility of liquids is lesser than:
Which of the following have sharp melting point in solids:
Which of the following is the lightest form of matter:
The liquid molecules leave the surface of liquid in evaporation process because:
The density of gases increases when its: