Question

and
4. The state of matter can be changed by changing
5. With increase in temperature, diffusion rate
6. Boiling is a
- phenomenon but Evaporation is a
phenomenon
7. Latent heat of
- is the amount of heat energy required to change Ikg of solid
into liquid at its melting point.
8. The forces of attraction between the particles are
in solids,
liquids and
in gases.
9. Water can exist both in liquid and solid state at K.
10.
_____and ______ are two gases, which can be dissolved in water and useful
for living organisms.​

Answer 1

4. its temperature

5. increases

6. human, natural

7. fusion

8. stronger,less than solids,very low

9. in liquid at room temperature solid at

0°

10.hydrogen oxygen