Question

EXERCISES
(d) evaporation
(d) Water
(d) condensatio,
I. Choose the correct answer.
1. The process of converting a substance from solid to liquid is called
(smelting
(b/ freezing
(c) condensation
2. Which of the following is an example of solid state of matter ?
(d) Chair
(6) Milk
(c) Oxygen
3. The decrease in size of matter on cooling is called
(a) contraction
(b) expansion
(c) evaporation
4. Which of the following is a chemical change?
Tearing
(b) Melting
(c) Ageing
5. On cooling a substance, the speed of its particles
(a) decreases
(b) increases
(c) remains same
(d) Freezing
(d) becomes
II. Fill in the blanks.
1. There is a
force of attraction between the particles of gases.
2. A solid changes into a
on heating because of
movement of its particles.
is insoluble in water.​

Answer 1

Answer:

a

b

c

b

n

f

g

t

ygugtbycufycondensation

2. Which of the following is an example of solid state of matter ?

(d) Chair

(6) Milk

(c) Oxygen

3. The decrease in size of matter on cooling is called

(a) contraction

(b) expansion

(c) evaporation

4. Which of the following is a chemical change?

Tearing

(b) Melting

Answer 2

Answer:

1. melting

2.contraction

3. chair

4. tearing

5. decreases