We provide matter in our surroundings practice exercises, instructions, and a learning material that allows learners to study outside of the classroom. We focus on matter in our surroundings skills mastery so, below you will get all questions that are also asking in the competition exam beside that classroom.
List of matter in our surroundings Questions
|1||17. With the increase in temperature of liquid its rate of|
(c) Remains constant (d) Can not be predicted
When a solution of common salt in water is distilled, the
salt is found in
(a) Distilling flask (b) Receiver
(c) Cooling water (d) Condenser
When water vapours condense to form water, the particles
of water vapour
(a) gain energy and also gain freedom of motion.
(b) gain kinetic energy and increase their freedom to move
about without any significant attraction.
(c) lose energy and come closer, thus their freedom of
movement gets restricted.
(d) lose energy and also lose freedom to move about
The property of diffusion is shown to the maximum extent
(d) Same in all cases
|5||12. The phenomenon of change of liquid into gas at any|
temperature below its boiling point is called
|6||12. Select the mixture that can be easily separated using|
(a) Milk and water
(b) Sugar and water
(c) Oil and water
(d) Petrol and kerosene
Sumit placed a solid on table and after 20 minutes he found
that volume of solid is reduced and there is no liquid on
table as well.
(a) It represents phenomena of sublimation
(b) This phenomena occurs by evolution of heat
(c) Solid substance placed by sumit on table should be
(d) It represents the phenomena of Boiling
Assertion : Cooking of rice is difficult at higher altitudes.
Reason: At higher altitudes the boiling point of water
Which one is suitable method for separation of a mixture of
water and sodium chloride?
(c) Simple distillation (d) Fractional distillation
18. On which of the following rate of evaporation of Liquid
(c) Nature of Liquid (d) All of these
Why cover of tea kettle flew away?
(a) Not properly tight
(b) Tea is explosive in nature
(c) Pressure of steam
(d) None of these
The substance C may be
(c) Liquid soap
(b) CO2 gas
(d) Hair oil
|13||When a solid is allowed to melt, it results in|
(a) moving away of particles
(b) coming closer of particles
(©) decrease in speed of particles
(d) decrease in temperature.
|14||With the increase in pressure the boiling point of a liquid|
(c) remains unchanged
(d) can not be predicted
Water droplets on cover of tea container represents.
Which are/is correct statements?
(a) Matter is continuous in nature.
(b) Of the three state of matter, the one that is most compact
is solid state.
(c) In solid state interparticles space (i.e., empty space) is
(d) The density of solid is generally more than that of a
B. Compressibility (q) Liquids
C. Definite Volume (r) Solid
D. Expansion on Heating (s) gases
What is correct on the basis of phenomena of Evaporation?
(a) It cause cooling effect.
(b) It is favoured by decrease of temperature
(c) Evaporation is a surface phenomena
(d) Evaporation rate increases with increase of the
|19||10. Which one will be most suitable method to separate a mixture|
of sodium chloride and ammonium chloride?
(a) Fractional distillation
|20||13. Evaporation is a|
(a) bulk phenomenon
(b) surface phenomenon
(c) Both (a) and (b)
(d) None of these is correct
|21||11 gasus tilall|
Assertion : During evaporation of liquid there is no change
in the temperature of the liquid.
Reason: Kinetic energy associated with particles of matter
increases with increase of temperature.
|22||13. When a mixture of sand, common salt, glass powder and|
iodine is heated, a sublimate is formed. The sublimate formed
(a) Sodium chloride (b) Glass
(d) Common salt
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