CBSE Class 9 - CH1 - MATTER IN OUR SURROUNDINGS (MCQs)

CBSE Class 9 - CH1 - MATTER IN OUR SURROUNDINGS (MCQs)

MATTER IN OUR SURROUNDINGS

MCQs

Q1: A solid has

(a) definite volume and no definite shape
(b) no definite volume no definite shape
(c) definite shape and volume
(d) definite shape but no definite volume


Q2: A liquid has 

(a) definite volume and no definite shape
(b) no definite volume no definite shape
(c) definite shape and volume
(d) definite shape but no definite volume


Q3: A gas has

(a) definite volume and no definite shape
(b) no definite volume no definite shape
(c) definite shape and volume
(d) definite shape but no definite volume




Q4: Which of the following is NOT a property of particles of a matter?

(a) The particles of matter are extremely small
(b) The particles of matter have spaces between them.
(c) The particles of matter are in stationery state.
(d) The particles of matter attract each other.


Q5: Which of the following has minimum spaces among the particles?

(a) Solids
(b) Liquids
(c) Gases
(d) None of these


Q6(NCERT): During summer, water kept in an earthen pot becomes cool because of the phenomenon of
(a) diffusion
(b) transpiration
(c) osmosis
(d) evaporation


Q7: Rate of diffusion is the fastest in

(a) Solids
(b) Liquids
(c) Gases
(d) None of these


Q8: Thermal conduction takes places in

(a) solids only
(b) liquids only
(c) gases only
(d) solids, liquids and gases.


Q9: Evaporation always causes

(a) thermal expansion
(b) Liquification
(c) Cooling down
(d) all of these


Q10: A change of state directly from solid to gas without changing into liquid state (or vice versa) is called

(a) Evalopartion
(b) Sublimation
(c) Diffusion
(d) Condensation


Q11: The rate of evaporation decreases with

(a) increase in humidity
(b) increase of temperature
(c) increase in wind speed
(d) increase of surface area

Answers:
1:  (c) definite shape and volume
2:  (a) definite volume and no definite shape
3:  (b) no definite volume no definite shape
4:  (c) The particles of matter are in stationery state.
5:  (a) Solids
6:  (d) evaporation
7:  (c) Gases
8:  (d) solids, liquids and gases.
9:  (c) Cooling down
10: (b) Sublimation
11: (a) increase in humidity