Matter in Our Surroundings MCQ Questions Class 9 Science Chapter 1

Matter in Our Surroundings MCQ Questions Class 9 Science Chapter 1

NCERT MCQ Questions for Class 9 Science Chapter 1 Matter in Our Surroundings. Matter in Our Surroundings MCQ Questions with Answers from Class 9 Science Chemistry.

Matter in Our Surroundings MCQ Questions Class 9 Science Chapter 1

Matter in Our Surroundings Multiple Choice Questions with Answers Class 9 Science Chapter 1 PDF is available.

1.) Every matter has its own……………… and…………..

a) Mass, volume

b) Weight, mass

c) Brittleness, tough

d) Shape, shadow

ANS-Mass, volume

2.) ‘Panch Tatva’ of life.

a) Air, god, water, mother, father

b) Air, fire, earth, sky, water

c) Air, god, water, soil, crop

d) Air, god, water, yield, money

ANS-Air, fire, earth, sky, water

3.) Matter is classified on the basis of………….

a) Physical and chemical properties

b) Physical and biological properties

c) chemical properties

d) Biological and characteristical properties.

ANS-Physical and chemical properties

4.) Any color which we detected by our eyes….

a) Due to light

b) Due to air

c) Due to visible light

d) Due to darkness

ANS-Due to visible light

5.)  When Potassium permagnet dissolve in water shows…………

a) Red in color

b) Blue in color

c) Violet in color

d) Orange in color

ANS-Violet in color

6.) Smell comes ….if …..

a) Salt in water

b) Potassium permagnet dissolve in water

c) Sugar in water

d) Dettol in water

ANS- Dettol in water

7.) Particles are moving in the bottom of the glass due to…………….

a) Dilution

b) Dissolution

c) Kinetic energy

d) Potential energy

ANS-Kinetic energy

8.) With increasing kinetic energy ……………………..

a) Pressure increases

b) Temperature increases

c) Temperature decreases

d) Pressure decreases

ANS-Temperature increases

9.) Temperature increases with………………………

a) increasing kinetic energy

b) increasing temperature

c) increasing pressure

d) decreasing pressure

ANS-increasing kinetic energy

10.) Intermixing of particles of two different types of matter on their own called………….

a) Dilution

b) Mixing

c) Diffusion

d) Precipitate

ANS-Diffusion

11.) It is not the state of matter

a) Solid

b) Liquid

c) Soil

d) Gas

ANS-soil

12.) It is state of matter

a) Soil

b) Air

c) Water

d) Gas

ANS-Gas

13.) It is not solid.

a) Book

b) Completely cooked Vegetables

c) Completely molten ice

d) Ice bag

ANS-Completely molten ice

14.) Eraser, book, slate is solid matter which does not has.

a) Definite shape

b) Distinct boundaries

c) Fixed velocity

d) Fixed volume

ANS-Fixed volume

15.) Solid have…………..

a) Negligible compatible

b) Negligible compressible

c) Negligible volume

d) Negligible shape

ANS-Negligible compressible

16.) Negligible compressibility……

a) Soil

b) Gas

c) Water

d) Solid

ANS-solid

17.) Solids have tendency to maintain their………….. and…………..

a) Shape, inside pressure

b) Shape, outside temperature

c) Shape, outside force

d) Shape, outside pressure

ANS-Shape, outside force

18.) Sugar and salt kept in different jars . they are……………

a) Soil

b) Liquid

c) Gas

d) Solids

ANS-solids

19.) Rubber can change their shape. It is ………….

a) Soil

b) Liquid

c) Gas

d) Solids

ANS-solids

20.) Liquids have no fixes shape but have ………………….

a) Fixed velocity

b) Fixed value

c) Fixed temperature

d) Fixed volume

ANS-Fixed volume

21.) Liquids can flow and change its………….

a) Texture

b) Size

c) Volume

d) Shape

ANS-Shape

22.) Liquid are not rigid but can be…………………

a) Gas

b) Solid

c) Water

d) Fluid

ANS-Fluid

23.) Solids and liquids diffuse into…………

a) Liquor

b) Liquid

c) Gas

d) Air

ANS-Liquid

24.) The gaseous from the atmosphere diffuse and dissolve in…………..

a) Water

b) Gas

c) Air

d) Solid

Ans-Water

25.) ………….. and ………….. gaseous are essential for the survival of aquatic animals and plants.

a) Hydrogen, oxygen

b) Carbondioxide, nitrogen

c) Oxygen, water

d) Carbondioxide, oxygen

ANS-Carbondioxide, oxygen

 

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26.) Solids, liquids, gaseous can diffuse into…………..

a) Liquor

b) Liquids

c) Gas

d) Air

ANS-Liquids

27.) The rate of diffusion of liquids is higher than…………..

a) Soil

b) Liquid

c) Gas

d) Solids

ANS-solids

28.) Gaseous are…………………. Than solids.

a) Converge

b) Compatible

c) Compressible

d) Columnar

ANS-Compressible

29.) Full form of LPG.

a) Liquid petrol gas

b) Liquefied petrol gas

c) Liquefied petrochemical gas

d) Liquefied petroleum gas

ANS-Liquefied petroleum gas

30.) Full form of CNG.

a) Compressed nature gas

b) Compressed nurture gas

c) Compatible natural gas

d) Compressed natural gas

ANS-Compressed natural gas

31.) Properties of CNG basis on volume.

a) Large pressure of gas

b) Large amount of natural gas

c) Large amount of efficiency

d) Large amount of volumes of gas compressed

ANS-Large amount of volumes of gas compressed

32.) Example of highly compressible gas used for humans need.

a) LPG

b) CNG

c) Only LPG

d) LPG and CNG

ANS-LPG and CNG

33.) The amount of the heat energy required to change 1kg of solid into liquid at atmospheric pressure at its melting point is known as…………………

a) Fission of heat

b) Fusion of heat

c) Latent heat of fusion

d) Latent heat of fission

ANS-Latent heat of fusion

34.) Water at 0 degree Celsius showing temperature at ………………..K

a) 274

b) 273

c) 277

d) 275

ANS- 273

35.) Choose temperature in Kelvin when boiling point of water is 100 degree.

a) 273

b) 286

c) 373

d) 383

ANS-373

36.) A change of state directly from solid to gas without changing into liquid state is called…

a) Sublimation

b) Solidification

c) Gasification

d) Crystallization

ANS-Sublimation

37.) What is mean by sublimation?

a) change of state directly from solid to liquid without changing into gas state

b) change of state directly from soil to gas without changing into liquid state

c) change of state directly from solid to gas without changing into ice state

d) change of state directly from solid to gas without changing into liquid state

ANS-change of state directly from solid to gas without changing into liquid state

38.) Solid carbon dioxide store under……

a) high temperature

b) high volume

c) high pressure

d) low temperature

ANS-high pressure

39.) Solid  to  liquid   and  liquid to solid

a) Fusion, condensation

b) Fusion, saponification

c) Fusion, solidification

d) Solidification, deposition

ANS-Fusion, solidification

40.) Gas to liquid conversion.

a) Gasification

b) Vaporization

c) Condensation

d) Sublimation

ANS-Condensation

41.) Gas to solid conversion.

a) Deposition

b) Sublimation

c) Vaporization

d) Condensation

ANS-Deposition

42.) Unit of pressure is

a) Joule

b) Kelvin

c) Kg

d) Pa

ANS-Pa

43.) 1 atmosphere is equal to…………

a) 1.01*10⁵ Pa

b) 1.01*10⁴ Pa

c) 1.01*10⁸ pa

d) 1.01*10⁹ Pa

ANS-1.01*105 Pa

44.) Phenomenon of change of liquid into vapors at any temperature below its boiling point is called…………..

a) Deposition

b) Sublimation

c) Evaporation

d) Condensation

ANS-Evaporation

45.) Evaporation is …………… phenomena.

a) Adsorption

b) Absorption

c) Surface

d) Vapors

ANS- Surface

46.) Rate of evaporation increases with……….

a) Increases surface tension

b) Decreases surface tension

c) Increases humidity

d) An increase in wind speed

ANS-An increase in wind speed

47). Rate of evaporation does not increases with

a) Increase of surface area

b) Increase in humidity

c) Increase in temperature

d) increase in wind speed

ANS-Increase in humidity

48.) Heat energy equals to………….

a) Latent heat of vaporization is absorbed from the body

b) 1 kelvin of water

c) 100 degree

d) 1 joule of energy

ANS-Latent heat of vaporization is absorbed from the body

49.) Pressure of air in atmosphere is called …….

a) Surface pressure

b) Atmospheric pressure

c) Surface tension

d) Sublimation

ANS-Atmospheric pressure

50.) Pa is the SI unit of ……… called as ………….

a) Pressure, pasteurize

b) Pressure, pascal

c) Pressure, pacal

d) Pressure, joule

ANS-Pressure, pascal

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