Physics
What do you mean by change of state of matter? Explain :
(a) the change of a solid into a liquid at a constant temperature, and
(b) the change of a liquid into a gas at a constant temperature.
Related Questions
A gas has neither a definite volume nor a definite shape. Describe the molecular model to explain it.
Distinguish between the three states of matter — solid, liquid and gas on the basis of their molecular models.
Distinguish between solids, liquids and gases on the basis of their following properties:
(a) compressibility
(b) fluidity
(c) rigidity
(d) expansion on heating
Given below is a crossword puzzle based on this lesson. Read the clues across and clues downwards and fill up the blank squares.
Across :
- Matter is made up of …………… .
- The …………… forces are less strong in liquids.
- A solid has …………… shape.
Down :
- A solid cannot be …………… .
- Liquids are …………… rigid.
- Gases are …………… compressible.