Q. Select the correct alternative:
(a) The inter-molecular force is maximum in :
(i) solids (ii) gases
(iii) liquids (iv) none of the above.
(b) The inter-molecular space is maximum in :
(i) liquids (ii) solids
(iii) gases (iv) none of the above.
(c) The molecules can move freely anywhere in :
(i) gases (ii) liquids
(iii) solids (iv) none of the above
(d) The molecules move only within the boundary of :
(i) liquids (ii) gases
(iii) solids (iv) none of the above
(e) The temperature at which a liquid gets converted into its vapour state is called its :
(i) melting point (ii) boiling point
(iii) dew point (iv) freezing point
(f) Rapid conversion of water into steam is are an example of:
(i) evaporation (ii) freezing
(ii) melting (iv) vaporization
(g) Evaporation takes place from the :
(i) surface of liquid
(ii) throughout the liquid
(iii) mid-portion of the liquid
(iv) bottom of the liquid
(h) Boiling takes place from:
(i) the surface of the liquid
(ii) throughout the liquid
(iii) mid-portion of liquid
(iv) none of the above