1. A solid has
A.definite volume and no definite shape
B.no definite volume no definite shape
C.definite shape and volume
2. 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
3. The rate of evaporation decreases with
A.increase in humidity
B.increase of temperature
C.increase in wind speed
D.increase of surface area
4. 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.
5. Which of the following has minimum spaces among the particles?
A.Solids
B.Liquids
C.Gases
D.None of these
6. During summer, water kept in an earthen pot becomes cool because of the phenomenon of
A.diffusion
B.transpiration
C.osmosis
D.evaporation
7. Rate of diffusion is the fastest in
A.Solids
B.Liquids
C.Gases
D.None of these
8. Thermal conduction takes places in
A.solids only
B.liquids only
C.gases only
D.Solids, liquids and gases.
9. Evaporation always causes
A.thermal expansion
B.Liquefaction
C.Cooling down
D.all of these
10. A change of state directly from solid to gas without changing into liquid state (or vice versa) is called
A.Evaporation
B.Sublimation
C.Diffusion
D.Condensation
Answers will be provided soon
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