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9th sci ch-1 to 4

Total questions: 116

Worksheet time: 58mins

Name
Class
Date
1.

The arrangement of constituent particles is most ordered in

a)

Solid state

b)

liquid state

c)

gaseous state

d)

all of these

2.

Which of the following is not a characteristic of matter?

a)

Matter is made up of extremely small particles

b)

There is no space between particles of matter

c)

The particles of matter are continuously moving

d)

The particles of matter attract each other.

3.

Seema took a 100 ml beaker and filled half the beaker with water and marked the level of water. She dissolved some salt with the help of a glass rod and recorded water level again.

a)

The water level increases appreciably

b)

The water level decreases

c)

The water level remains the same

d)

There is little increase in water level.

4.

Which of the following is correct order of forces of attraction?

a)

Water > Air > Sand

b)

Air > Sugar > Oil

c)

Air < Water < Sugar

d)

Salt > Air > Juice

5.

Which of the following will produce severe burns ?

a)

Cold water

b)

Hot water

c)

Boiling water

d)

Steam

6.

Which of the following is incorrect?

a)

Solids have fixed shape and fixed volume.

b)

Liquids have fixed volume but not shape

c)

Gases have neither fixed shape nor volume

d)

The particles have least intermolecular space but maximum kinetic energy in liquids.

7.

Ice floats on water because

a)

it has higher density than water

b)

it has lower density than water due to more volume

c)

it is solid

d)

it is low melting solid

8.

The property to flow is unique to fluids. Which one of the following statements is correct?

a)

(a) Only gases behave like fluids

b)

(b) Gases and solids behave like fluids

c)

(c) Gases and liquids behave like fluids

d)

(d) Only liquids are fluids

9.

A few substances are arranged in the increasing order of ‘forces of attraction’ between their particles. Which one of the following represents a correct arrangement?

a)

(a) Water, air, wind

b)

(b) Air, sugar, oil

c)

(c) Oxygen, water, sugar

d)

(d) Salt, juice, air

10.

Which of the following statement is not true regarding the characteristic of matter?

a)

(a) Particles of a matter are randomly moving in all directions.

b)

(b) Kinetic energy of the particles increases with a rise in temperature

c)

(c) Kinetic energy of the particles of all maters remains the same at a particular temperature.

d)

(d) Particles of matter diffuse into each other on their own.

11.

A form of matter has no fixed shape but it has a fixed volume. An example of this form of matter is

a)

(a) Krypton

b)

(b) Kerosene

c)

(c) Carbon steel

d)

(d) Carbon dioxide

12.

The arrangement of constituent particles is most ordered in

a)

Solid state

b)

liquid state

c)

gaseous state

d)

all of these

13.

Which of the following is not a characteristic of matter?

a)

Matter is made up of extremely small particles

b)

There is no space between particles of matter

c)

The particles of matter are continuously moving

d)

The particles of matter attract each other.

14.

Seema took a 100 ml beaker and filled half the beaker with water and marked the level of water. She dissolved some salt with the help of a glass rod and recorded water level again.

a)

The water level increases appreciably

b)

The water level decreases

c)

The water level remains the same

d)

There is little increase in water level.

15.

Shivam visited an LPG unit and found that the gas can be liquified at specific conditions of temperature and pressure. Help him to identify the correct set of conditions.

a)

High temperature and high pressure.

b)

Low temperature and low pressure.

c)

Low temperature and high pressure.

d)

High temperature and low pressure.

16.

During summer, water kept in earthen pot becomes cool due to phenomenon of

a)

Diffusion

b)

Transpiration

c)

Distillation

d)

Evaporation

17.

Which of the following is correct order of forces of attraction?

a)

Water > Air > Sand

b)

Air > Sugar > Oil

c)

Air < Water < Sugar

d)

Salt > Air > Juice

18.

Choose the correct statement out of the following

a)

Conversion of solid into vapours without becoming liquid is called evaporation.

b)

Conversion of vapours into solid without becoming liquid is called sublimation

c)

Conversion of solid into liquid is called sublimation.

d)

Conversion of liquid into vapours is called fusion.

19.

Which of the following will produce severe burns ?

a)

Cold water

b)

Hot water

c)

Boiling water

d)

Steam

20.

Which of the following conditions will increase the rate of evaporation?

a)

Increase in temperature of water

b)

Decrease in wind speed

c)

Decrease in surface area of water

d)

Adding sugar to water

21.

Which of the following is incorrect?

a)

Solids have fixed shape and fixed volume.

b)

Liquids have fixed volume but not shape

c)

Gases have neither fixed shape nor volume

d)

The particles have least intermolecular space but maximum kinetic energy in liquids.

22.

Which of the following is correct order of density ?

a)

Air < Exhaust from chimneys < Honey < Water < Chalk < Cotton < Iron.

b)

Air < Exhaust from Chimneys < Water < Honey < Cotton < Chalk < Iron.

c)

Air < Exhaust from Chimneys < Honey < Water < Chalk < Iron < Cotton

d)

Air < Exhaust from Chimneys < Water < Honey < Chalk < Cotton < Iron

23.

Ice floats on water because

a)

it has higher density than water

b)

it has lower density than water due to more volume

c)

it is solid

d)

it is low melting solid

24.

The physical state of a matter depends upon

a)

temperature and pressure

b)

temperature only

c)

pressure only

d)

nature of substance

25.

The boiling point of water at higher altitude is

a)

373 K

b)

< 373 K

c)

> 373 K

d)

273 K

26.

Latent heat of fusion is amount of

a)

heat energy required to change 1 kg solid into liquid completely at its melting point.

b)

heat energy required to convert 1 kg solid into liquid at room temperature

c)

heat energy required to change 1 g of solid into liquid completely

d)

heat energy required to change 1 kg of solid into liquid at any temperature.

27.

The temperature at which vapour pressure of liquid becomes equal to atmospheric pressure is called

a)

melting point

b)

boiling point.

c)

ignition temperature

d)

sublimation temperature.

28.

Which of the following is not correct?

a)

SI unit of temperature is kelvin

b)

SI unit of pressure is atm

c)

SI unit of density is kg/m3

d)

1 litre = 1000 cm3 = 1 dm3

29.

Which of the following has minimum kinetic energy ?

a)

Particles of ice below 0 °C

b)

Particles of water at 0 °C

c)

Particles of water at 100 °C

d)

Particles of steam at 100 °C

30.

Which of the following has minimum kinetic energy ?

a)

Particles of ice below 0 °C

b)

Particles of water at 0 °C

c)

Particles of water at 100 °C

d)

Particles of steam at 100 °C

31.

Which of the following cannot be separated by sublimation?

a)

Iodine and NaCl

b)

Iodine and Ammonium chloride

c)

Camphor and Sodium chloride

d)

Naphthalene and Sand

32.

Seema took a 100 ml beaker and filled half the beaker with water and marked the level of water. She dissolved some salt with the help of a glass rod and recorded water level again.

a)

The water level increases appreciably

b)

The water level decreases

c)

The water level remains the same

d)

There is little increase in water level.

33.

Which of the following is not a characteristic of matter?

a)

Matter is made up of extremely small particles

b)

There is no space between particles of matter

c)

The particles of matter are continuously moving

d)

The particles of matter attract each other.

34.

Which one of the following sets of phenomenon would increase on raising the temperature?

a)

Diffusion, evaporation and compression of gases

b)

Evaporation, compression of gases and solubility of solid in liquid

c)

Evaporation, diffusion, expansion of gases and solubility of solid in liquid

d)

Evaporation, solubility of gas in liquid, diffusion and compression of gases.

35.

During summer, water kept in earthen pot becomes cool due to phenomenon of

a)

Diffusion

b)

Transpiration

c)

Distillation

d)

Evaporation

36.

Which of the following is correct order of forces of attraction?

a)

Water > Air > Sand

b)

Air > Sugar > Oil

c)

Air < Water < Sugar

d)

Salt > Air > Juice

37.

Which of the following is correct order of density ?

a)

Air < Exhaust from chimneys < Honey < Water < Chalk < Cotton < Iron.

b)

Air < Exhaust from Chimneys < Water < Honey < Cotton < Chalk < Iron.

c)

Air < Exhaust from Chimneys < Honey < Water < Chalk < Iron < Cotton

d)

Air < Exhaust from Chimneys < Water < Honey < Chalk < Cotton < Iron

38.

The boiling point of water at higher altitude is

a)

373 K

b)

< 373 K

c)

> 373 K

d)

273 K

39.

Which of the following has minimum kinetic energy ?

a)

Particles of ice below 0 °C

b)

Particles of water at 0 °C

c)

Particles of water at 100 °C

d)

Particles of steam at 100 °C

40.

Which of the following does not affect rate of evaporation?

a)

Wind speed

b)

Surface area

c)

Temperature

d)

Insoluble heavy impurities

41.

A form of matter has no fixed shape but it has a fixed volume. An example of this form of matter is

a)

Krypton

b)

Kerosene

c)

Carbon steel

d)

Carbon dioxide

42.

On converting 308 K, 329 K and 391 K to Celsius scale, the correct sequence of temperatures will be:

a)

33°C, 56°C and 118°C

b)

35°C, 56°C and 119°C

c)

35°C, 56°C and 118°C

d)

56°, 119°C and 35° C

43.

Which of the following is not a characteristic of matter?

a)

Matter is made up of extremely small particles

b)

There is no space between particles of matter

c)

The particles of matter are continuously moving

d)

The particles of matter attract each other.

44.

A form of matter has no fixed shape but it has a fixed volume. An example of this form of matter is

a)

Krypton

b)

Kerosene

c)

Carbon steel

d)

Carbon dioxide

45.

Which of the following phenomena always results in the cooling effect?

a)

Condensation

b)

Evaporation

c)

Sublimation

d)

None of these

46.

What is Dry Ice?

a)

Ice having no water of crystallisation

b)

Ice that has been dried

c)

Solid carbon dioxide

d)

None of these

47.

What is the unit of latent heat of fusion?

(a)  

48.

The fifth state of matter is given by?

a)

Subhash Chandra Bose

b)

Albert Einstein

c)

Satyendra Nath Bose

d)

Both Satyendra Bose and Einstein

49.

Which of the following cannot be separated by sublimation?

a)

Iodine and NaCl

b)

Iodine and Ammonium chloride

c)

Camphor and Sodium chloride

d)

Naphthalene and Sand

50.

A few substances are arranged in the increasing order of 'forces of attraction'between their particles.Which one of the following represents a correct arrangement?

a)

Water,air,wind

b)

Air,sugar,oil

c)

Oxygen,water,sugar

d)

Sugar,juice,air

51.

If we keep cold drink bottle in freezer, what will happen?

a)

Water will change into ice

b)

Cold drink bottle will break

c)

CO2 gas will get solidified

d)

Nothing happens.

52.

Particles of matter having space between them is called

a)

Interstitial space

b)

Intermolecular space

c)

Vacant space

d)

None of the above

53.

What is the unit of pressure?

(a)  

54.

Name the process by which dry ice changes into carbon dioxide gas.

a)

Evaporation

b)

Condensation

c)

Sublimation

d)

Vaporisation

55.

Melting point of ice is

a)

273.16K

b)

373.15K

c)

100°C

d)

250.18K

56.

Which one among the followings has a fixed volume but no fixed shape?

a)

Carbon dioxide

b)

Ice

c)

Kerosene

d)

Xenon

57.

Suspension is _______ mixture

a)

Homogeneous

b)

Saturated

c)

Unsaturated

d)

Heterogenous

58.

How will you seperate oxygen from a mixture of liquid air?

a)

Centrifugation

b)

Seperating funnel

c)

Fractional distillation

d)

Distillation

59.

Tyndall effect is observed in forests because of

a)

Trees

b)

High oxygen level

c)

Mist and dust particles in the air

d)

Less sunlight

60.

When a saturated solution is heated and more solute is dissolved in it, what is such a solution called?

a)

Supersaturated Solution

b)

Colloidal Solution

c)

Aqueous Solution

d)

Thermo Saturated Solution

61.

A sample contains two substances and has uniform properties. The sample is ________?

a)

A compound.

b)

A heterogeneous mixture.

c)

An element.

d)

A homogeneous mixture.

62.

A mixture will appear translucent in the case of?

a)

Copper sulphate + water.

b)

Alum + water.

c)

Sugar + water.

d)

Starch + water.

63.

Which of the following elements is not a metalloid?

a)

(a) Boron

b)

(b) Silicon

c)

(c) Germanium

d)

(d) Tungsten

64.

Brass is an alloy. It is a mixture of______

a)

30% Zinc 70% copper

b)

20% copper 80% nickel

c)

40% iron 80% copper

d)

35% gold 65% zinc

65.
A combination that can be separated by physical processes is a .....
a)
Pure Substance
b)
Glucose
c)
Element
d)
Mixture
66.

CO2 would be a .....

a)

Compound

b)

Molecule

c)

Compound AND Molecule

d)

Element

67.
Changing the phase, size or shape of something....
a)
Chemical change
b)
Physical Change
c)
Suspension
d)
Colloid
68.
If you change a substance into a new substance...
a)
Partial Change
b)
Physical Change
c)
Chemical Change
d)
Freezing
69.
Substance with atoms that are all alike.
a)
element
b)
compound
c)
homogeneous mixture
d)
heterogeneous mixture
70.

Which of the following mixtures will be the most difficult to separate?

a)

Iron filings + sand

b)

Sand + water

c)

Sawdust + stones

d)

Nitrogen + hydrogen

71.

Which of the following is an example of a solid-in-gas mixture?

a)

Soil

b)

Smoke

c)

Moisture

d)

Dew

72.

Which changes of state occur during distillation?

a)

Boiling followed by filtration

b)

Boiling followed by condensation

c)

Condensation followed by boiling

d)

Filtration followed by boiling

73.

Two miscible liquids having different boiling points can be separated by

a)

sublimation

b)

Evaporation

c)

Fractional distillation

d)

loading

74.

The amount of solute present per unit volume or per unit mass of the solution/solvent is known as

a)

(a) Composition of solute

b)

(b) Concentration of a solvent

c)

(c) Concentration of a solute

d)

(d) Concentration of a solution

75.

What are the two components of a Colloid ?

a)

Solvent, Solute

b)

Salt, Water

c)

Sugar,Water

d)

Dispersed Phase, Dispersion Medium

76.

Which of the following non-metal is not a good conductor of electricity ?

a)

Silicon

b)

Graphite

c)

Chlorine

d)

Gold

77.

Which of the following elements is not a metalloid?

a)

Tungsten

b)

Boron

c)

Silicon

d)

Germanium

78.

What is the size of particle in a colloid ?

a)

1nm - 1000nm

b)

10nm - 100nm

c)

1nm - 100nm

d)

10nm - 1000nm

79.

Suspension is _______ mixture

a)

Homogeneous

b)

Saturated

c)

Unsaturated

d)

Heterogenous

80.

Cooking of food and digestion of food

a)

Are both physical processes

b)

Are both chemical processes

c)

Cooking is physical whereas digestion is chemical

d)

Cooking is a chemical whereas digetion is physical

81.

Air is regarded as mixture because?

a)

It's pressure may vary

b)

It's temperature may vary

c)

Volume changes under different compositions

d)

It's compositions may vary

82.

When a saturated solution is heated and more solute is dissolved in it, what is such a solution called?

a)

Supersaturated Solution

b)

Colloidal Solution

c)

Aqueous Solution

d)

Thermo Saturated Solution

83.

What is the name of the metal which exists in liquid state at room temperature?

a)

(a) Sodium

b)

(b) Potassium

c)

(c) Mercury

d)

(d) Bromine

84.

Which of the following is not a chemical change?

a)

formation of curd

b)

ripening of banana

c)

sublimation of napthalene

d)

corrosion of photo frame

85.

The best way to recover sugar from an aqueous sugar solution is:

a)

evaporation to dryness

b)

distillation

c)

filtration

d)

crystallization

86.

One of the following does not show Tyndall effect. This one is:

a)

Soap solution

b)

Ink

c)

Sugar solution

d)

Starch solution

87.

The diagram shows how some types of matter are classified.

The diagram is not complete.

Elements are often divided into two sub-groups.

What are these two sub-groups A and B?

a)

Liquids and gases

b)

Metals and non-metals

c)

Non-metals and gases

d)

Metals and liquids

88.

Q-1 By which Physical process we can Separate (NaCl) Sodium-Chloride from (H2O) Water?

a)

Burning

b)

Filtration

c)

Evaporation

d)

Separating-Funnel

89.

There are natural elements

a)

(a) 94

b)

(b) 98

c)

(c) 92

d)

(d) 96

90.

Alloy is a 

a)

Compound 

b)

Heterogenous mixture 

c)

Homogenous mixture 

d)

none of the above 

91.

How many elements are in gaseous state at room temperature

a)

11

b)

2

c)

13

d)

20

92.

Pick the heterogeneous mixture among the following

a)

Smoke

b)

Brass

c)

Sugar solution

d)

Salt solution

93.

the scattering of beam of light by the colloidal solution is called as

a)

Heterogenous mixture

b)

Tyndall effect

c)

Centrifugation

d)

Question does not provide sufficient data

94.

Which of the following is not a metalloid

a)

Silicon

b)

Steel

c)

Antimony

d)

Germanium

95.

Suspension is

a)

Heterogenous mixture

b)

Homogenous mixture

c)

True solution

d)

Only 2&3 are correct

96.

Which of the following is incorrect

a)

Solution = solute + solvent

b)

Solution -Solute =solvent

c)

Solution + Solvent =solute

d)

Solute = Solution-Solvent

97.

Name the building blocks of matter

a)

Solid

b)

Molecules

c)

Atom

d)

Liquid

98.

In which state of matter , process of diffusion is fastest?

a)

Liquids

b)

Gases

c)

Solids

d)

Semi - solids

99.

The substances which occupy some space and having some mass called

a)

Particles

b)

Impure substance

c)

Ions

d)

Matter

100.

Particles of matter having space between them is called

a)

Interstitial space

b)

Intermolecular space

c)

Vacant space

d)

None of the above

101.

Latent heat of fusion is amount of

a)

heat energy required to change 1 kg solid into liquid completely at its melting point.

b)

heat energy required to convert 1 kg solid into liquid at room temperature

c)

heat energy required to change 1 g of solid into liquid completely

d)

heat energy required to change 1 kg of solid into liquid at any temperature.

102.

Which of the following is most suitable for summer?

a)

Cotton

b)

Nylon

c)

Polyester

d)

Silk

103.

The physical state of a matter depends upon

a)

temperature and pressure

b)

temperature only

c)

pressure only

d)

nature of substance

104.

Which of the following has minimum spaces among the particles

a)

Solids

b)

Liquids

c)

Gases

d)

None of these

105.

In which state of matter , process of diffusion is fastest?

a)

Liquids

b)

Gases

c)

Solids

d)

Semi - solids

106.

Which of the following is not a property of matter?

a)

Matter is made up of extremely small particles

b)

There is space between particles of matter

c)

The particles of matter are in stationery state

d)

The particles of matter attract each other.

107.

which of the following is matter

a)

air

b)

stone

c)

cloud

d)

all of them

108.

what is the chemical formula of potassium permanganate

a)

PPM

b)

KMn

c)

KMnO

d)

KMnO4

109.

Which of the following cannot be considered a form of matter?

a)

atom

b)

water

c)

cold

d)

electron

110.

During summer, water kept in earthen pot becomes cool due to phenomenon of

a)

Diffusion

b)

Transpiration

c)

Distillation

d)

Evaporation

111.

Which of the following is correct order of forces of attraction?

a)

Water > Air > Sand

b)

Air > Sugar > Oil

c)

Air < Water < Sugar

d)

Salt > Air > Juice

112.

Which of the following has minimum kinetic energy ?

a)

Particles of ice below 0 °C

b)

Particles of water at 0 °C

c)

Particles of water at 100 °C

d)

Particles of steam at 100 °C

113.

Which of the following does not affect rate of evaporation?

a)

Wind speed

b)

Surface area

c)

Temperature

d)

Insoluble heavy impurities

114.

Which of the following is not a characteristic of matter?

a)

Matter is made up of extremely small particles

b)

There is no space between particles of matter

c)

The particles of matter are continuously moving

d)

The particles of matter attract each other.

115.

A form of matter has no fixed shape but it has a fixed volume. An example of this form of matter is

a)

Krypton

b)

Kerosene

c)

Carbon steel

d)

Carbon dioxide

116.

Which of the following phenomena always results in the cooling effect?

a)

Condensation

b)

Evaporation

c)

Sublimation

d)

None of these

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