On heating, liquids expand …………… than solids and gases expand …………… than liquids.
(a) more, less
(b) less, more
(c) more, much more
(d) less, less

(c) more, much more

Reason — Liquids and gases do not have a definite shape, so they have only the cubical (or volumetric expansion). On heating, liquids expand more than solids and gases expand much more than liquids.