Question

4. When water gets solidified into ice, then heat is
(a) Absorbed
(d) Initially evolved and then absorbe
(b) Evolved
(c) First absorbed then evolved
5. During summer, water kept in an earthen pot becomes cool because of the phenomenon of:
(a) Diffusion
(b Transpiration
(d) Osmosis
(c) Evaporation
6. The state of matter which is found to be more stable at lower temperature:
(a) Solid
(b) Liquid
(c) Gas
(d) BEC
7. Distinguish between solids, liquids and gases in tabular form under following characteristics
(a) Kinetic energy of particles
(b) Density
(c) Diffusion
8. Explain the following
(a) Gases exert pressure on the walls of the container
(b) evaporation causes cooling effect.
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Answer 1

Answer:

4 a Absorbed 5 c Evaporation 6 a solid 8 a

Explanation:

8 a Because of negligible force of attraction between particles of gas have highest kinetic energy These particles enables the particles of gas to move of the container in which it is kept