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Coal and Petroleum, Combustion, Sound and Friction - combine rev

Total questions: 156

Worksheet time: 1hrs 26mins

Name
Class
Date
1.

Coal with largest C content is

a)

anthracite

b)

peat

c)

lignite

d)

bituminous

2.

Which of the following properties is NOT a characteristic of a good fuel?

a)

High Ignition temperature

b)

Low cost

c)

Causes minimum pollution

d)

Readily available

3.

The main constituent of LPG is

a)

methane

b)

ethane

c)

propane

d)

butane

4.

Name the substance which is used in candle and ointment

a)

Lubrication oil

b)

Petrol

c)

Bitumen

d)

Paraffin wax

5.

Name the process which is used to separate various constituent of petroleum

a)

Lubrication

b)

Refining

c)

Paraffin

d)

None of these

6.

Refining of petroleum is done in

a)

Fractionating Column

b)

Zone refining Column

c)

Pronounce Column

d)

None of these

7.

EXPANDED FORM OF CNG

(a)  

8.

(a)   IS CALLED AS BLACK GOLD

9.

NAME A FUEL WHICH CAN BE USED AS A DOMESTIC FUEL

a)

LPG

b)

CNG

c)

PETROL

d)

BITUMEN

10.

NAME A LIQUID FOSSIL FUEL

(a)  

11.

Water is a ________

a)

Natural substance

b)

Man made substance

c)

Both of these

d)

None of these

12.

When coal burns in air then

a)

Carbon dioxide is formed

b)

Sulphur dioxide is formed

c)

Carbon monoxide is formed

d)

Hydrogen gas is formed

13.

PCRA stands for

a)

Public Conservations Research Association

b)

Petroleum Conservation Research Association

c)

Public Council of Research Association

d)

Partial Counting of remaining Amendment

14.

Which of the following is obtained from coal tar ?

a)

Petrol

b)

Coke

c)

Air

d)

Naphthalene balls

15.

The slow process of conversion of dead vegetation into coal is called _____.

a)

decomposition

b)

evolution

c)

carbonification

d)

carbonisation

16.

Identify the substance which is tough, porous and black. It is almost a pure form of carbon.

a)

Crude oil

b)

Coke

c)

Coal tar

d)

Coal gas

17.

Which of these is an exhaustible resource?

a)

Air

b)

Coal

c)

Water

d)

Sunlight

18.

Which of the following is an example of inexhaustible resources?

a)

Coal

b)

Wind

c)

Petrol

d)

Diesel

19.

In India, which association advises people on saving petrol or diesel while driving?

a)

Petroleum Conservation Research Association (PCRA)

b)

Coal Conservation Research Association (CCRA)

c)

Eco-driving advice

d)

Petroleum Conservation Association (PCA)

20.

Which amongst the following is a petroleum product which can be used in metalling of roads?

a)

Coke

b)

Bitumen

c)

Coal tar

d)

Coal gas

21.

Many useful substances are obtained from petroleum and natural gas. Select the correct name given to these substances

a)

Petromolecules

b)

Petrocompounds

c)

Petrochemicals

d)

Petroproducts

22.

Which of the following is also known as the ‘black gold’?

a)

CNG

b)

Natural gas

c)

Coal

d)

Petroleum

23.

Petrochemicals are used in the manufacturing of :

a)

Detergents

b)

Polythene

c)

Fibres

d)

All of these

24.

Vaani is very conscious of pollution. So, to reduce the effect of pollution which fuel should she use for her vehicle?

a)

CNG

b)

Diesel

c)

Diesel

d)

LPG

25.

Which of the following pairs of natural resources are exhaustible?

a)

II and IV

b)

I and V

c)

IV and VI

d)

V and VI

26.

Which one of the following is not a fossil fuel?

a)

petrol

b)

coke

c)

charcoal

d)

coal

27.

The major component of LPG is :-

a)

hydrogen

b)

butane

c)

methane

d)

natural gas

28.

The gas which occurs above the petroleum oil trapped under the rocks is called : -

a)

compressed natural gas

b)

natural gas

c)

petroleum gas

d)

methane

29.

Napthalene balls are obtained from fractional distillation of (a)   .

30.

__________is almost pure form of carbon.

a)

coal

b)

petroleum

c)

coal tar

d)

coke

31.

One of the following is not an exhaustible source of energy. This one is :-

a)

natural gas

b)

petroleum gas

c)

coal gas

d)

biogas

32.

The process of separation of different constituents from petroleum is called (a)   .

33.

Which of the following is used as a reducing agent in the extraction of iron metal ?

a)

coal tar

b)

coal

c)

coke

d)

bitumen

34.

Which of the following is not obtained as a fraction during the refining of petroleum ?

a)

kerosene

b)

coal gas

c)

bitumen

d)

diesel

35.

___________is used in skin ointments.

a)

paraffin wax

b)

lubricating oil

c)

kerosene

d)

diesel

36.

The worst option to put off fire caused due to petrol is :-

a)

throwing sand over the fire

b)

using water

c)

using fire extinguisher

37.

Which of the following produces more heat on burning?

a)

LPG

b)

Petrol

c)

Diesel

d)

kerosene

38.

Name the fuel used in jet aircrafts.

(a)  

39.

Coal is also known as :-

a)

black gold

b)

black diamond

c)

black emerald

d)

blue diamond

40.

Which one of the following is an inexhaustible natural resource?

a)

coal

b)

petroleum

c)

water

d)

forests

41.

(a) Fossil fuels are ____________, ____________, and ____________ .

a)

Fossil fuels , Coal, Petroleum

b)

Air , Coal, Petroleum, and natural gas

c)

Coal, Petroleum, and natural gas

42.

Least polluting fuel for a vehicle is ______________ .

a)

Compressed Natural Gas.

b)

(CNG)

c)

Coal

43.

Tick True/False against the following statements.

(a) Fossil fuels can be made in the laboratory.

a)
b)
44.

CNG is more polluting fuel than petrol.

a)
b)
45.

Coke is the almost pure form of carbon.

a)
b)
46.

Coal tar is a mixture of various substances.

a)
b)
47.

Kerosene is not a fossil fuel. - True or False

(a)  

48.

Name some renewable sources of energy.

a)

Water

b)

Coal

49.

Name the elements present in coal.

a)

Carbon, oxygen and sulphur.

b)

Carbon ,Hydrogen , Nitrogen

50.

Minerals are

a)

Natural resources

b)

Inexhaustible natural resources

c)

Exhaustible natural resources

d)

All of these

51.

Petroleum is mainly a mixture of which one of the following class

a)

Carbohydrates

b)

Carbogens

c)

Hydrocarbons

d)

Alcohols

52.

Which one is not a coal Product .

a)

Coal Tar

b)

Coal Gas

c)

Lime

d)

Mango

53.

conversion of dead vegetation into coal is called?

a)

Carbonisation

b)

Distillation

c)

Coal Gas

d)

Natural Gas

54.

Which among the following is the cleanest fuel

a)

Coal

b)

Petrol

c)

Diesel

d)

CNG

55.

Which coal produces the lowest amount of heat

a)

Lignite

b)

Peat

c)

Anthracite

d)

Bituminous Coal

56.

Burning of which of the following fuels produce the least amount of carbon dioxide per unit of energy

a)

Coal

b)

Oil

c)

Natural gas

d)

All of these produce same amount of CO2

57.

Which of these are inexhaustible natural resources

a)

Sunlight

b)

Coal

c)

Wildlife

d)

Forest/ Minerals

58.

Ointments, candles,Vaseline etc. are made up of

a)

Lubricating Oil

b)

Petrol

c)

LPG

d)

Paraffin wax

59.

A gas which is found along with petroleum

a)

Carbon dioxide

b)

Water gas

c)

Natural gas

d)

Producer gas

60.

Which of the following fuels is the least polluting

a)

Coal

b)

CNG

c)

Diesel

d)

Petrol

61.

Which of the following fuels leaves a residue on burning

a)

LPG

b)

CNG

c)

Coal

d)

Petrol

62.

The first oil well was drilled in

a)

USA

b)

UK

c)

India

d)

Iran

63.

Full form of LPG

a)

Light petroleum gas

b)

Liquified petroleum gas

c)

Long pipe of gas

d)

Long petroleum gas

64.

Which of the following is a pair of exhaustible natural resources

a)

Coal and soil

b)

Air and petroleum

c)

Air and sunlight

d)

Wild life and minerals

65.

Various material which are obtained from nature are called natural resources.Which of the following is not a natural resource

a)

Minerals

b)

Water

c)

Soil

d)

Plastic

66.

Coal is processed in industries to get some useful products.Which of the following is not obtained from coal

a)

Coke

b)

Coal gas

c)

Coal tar

d)

CNG

67.

Naphthalene balls are obtained from coal tar and are used as

a)

Honey bee repellent

b)

Moth repellent

c)

Snake repellent

d)

Mosquito repellent

68.

Choose the correct statement from the following

a)

it is difficult to transport natural gas through pipes

b)

the disadvantage of natural gas is that it cannot be used directly for burning in homes

c)

Natural gas is stored under high pressure as compressed natural gas

d)

Natural gas cannot be used for power generation

69.

Petroleum was formed from organisms

a)

living on the land

b)

living in the sea

c)

living on the plants

d)

living on the rocks

70.

Which substance is formed by the carbonisation of dead vegetation

a)

Coal

b)

Coal gas

c)

Coke

d)

Coal tar

71.

Which of the following is not a constituent of petroleum

a)

Paraffin wax

b)

Petrol

c)

Lubricating oil

d)

Coke

72.

Fossil fuels are obtained from

a)

remains of non - living materials

b)

dead remains of birds only

c)

dead remains of insects only

d)

dead remains of living organisms

73.

Name the petroleum product used for surfacing of roads

a)

Butane

b)

Anthracite

c)

Bitumen

d)

Hydrocarbon

74.

Which substance give heat and light after combustion

a)

Flame

b)

Fuel

c)

Combustion

d)

None of these

75.

Coal burns with ____________________________

a)

Flame

b)

Only glow

c)

Both flame and glow

d)

None of these

76.

Burning of charcoal in a closed room will produce

a)

Carbon dioxide

b)

Nitrogen dioxide

c)

Carbon monoxide

d)

Sulphur dioxide

77.

The substances which have very low ignition temperature will

a)

Catch fire easily

b)

Will not catch fire

c)

Catch fire after some time

d)

None of these

78.

Ignition temperature is

a)

Lowest temperature at catch fire

b)

Higher temperature at catch fire

c)

Any temperature

d)

1000 C

79.

Combustion is a

a)

Natural process

b)

Chemical process

c)

Physical process

d)

None of these processes

80.

When magnesium ribbon burnt it produce

a)

Magnesium hydroxide

b)

Magnesium oxide

c)

Magnesium chloride

d)

Magnesium sulphate

81.

Which one of the following is fuel of our body?

a)

Petrol

b)

Diesel

c)

Water

d)

Food

82.

Which one of the following is combustible?

a)

Iron nail

b)

Glass

c)

Stone pieces

d)

Paper

83.

In the presence of water, ignition Temperature of paper is-

a)

Decrease

b)

Increase

c)

Remain constant

d)

None of these

84.

Which of the following is inflammable Substances?

a)

Petrol

b)

Wood

c)

Paper

d)

Straw

85.

Fire extinguisher-

a)

Raise up temperature of fuel

b)

Bring down the temperature of fuel

c)

Cut off the supply of air

d)

None of these

86.

Which is the hottest part in the flame of the candle

a)

Yellow

b)

Wax part

c)

Black

d)

Blue

87.

Good fuel is

a)

Readily available

b)

Cheap

c)

Burn easily in air

d)

All of these

88.

Ideal fuel has ____________ calorific value

a)

Zero

b)

Low

c)

Moderate

d)

High

89.
Water is not used to control fires involving electrical appliances.
a)
False
b)
True
90.
Which type of fire extinguisher should be used on a fire involving flammable liquids such as grease or oil?
a)
Water
b)
Carbon Dioxide 
c)
Dry Chemical
d)
Foam
91.
Which is not combustible substance
a)
Wood
b)
Cow dung cake
c)
stone
d)
paper
92.
The condition which are required for combustion to take place are:
a)
fuel
b)
ignition temperature
c)
oxygen
d)
all of these
93.
Another term for burning is
a)
Fire triangle
b)
Magnesium oxide
c)
Combustion
d)
Bustion
94.
Is combustion a reversible reaction?
a)
Yes.
b)
No.
95.
A good fuel burns neither too fast nor too slowly.
a)
True
b)
False
96.
Which of the following is not a combustible substance?
a)
Wood
b)
Cow dung cake
c)
stone
d)
paper
97.
Which of these is NOT an essential part of fire.
a)
Fuel.
b)
Friction.
c)
Heat.
d)
Oxygen.
98.
The word equation for combustion is: fuel + oxygen --> water + ________ __________
a)
Carbon dioxide
b)
Limewater
99.

Which of these are true about combustion

a)

It is a physical process

b)

It has an exothermic reaction

c)

Combustion does not always result in fire

d)

If combustion results as fire it does not create smoke

100.

What do not produce flames but generate heat

a)

Oil

b)

Coal

c)

Petroleum

d)

Wood

101.

A good fuel is on which is

a)

Cheap

b)

Produces large number of heat

c)

Readily available

d)

All of these

102.

Combustion always results as flames

a)

True

b)

False

103.

Name the most common fuel used in homes

(a)  

104.

What is the most common fire extinguisher

a)

Petroleum

b)

LPG

c)

Water

105.

Name combustible substances

a)

Coal

b)

Water

c)

Wood

d)

Sand

106.

What are the three essential requirements for combustion

a)

Fuel

b)

Supply of oxygen

c)

Water

d)

Heat

107.

What is the unit for expressing the calorific value of fuel

(a)  

108.

What is the calorific value of COMPRESSED NATURAL GAS (CNG

(a)  

109.
How does sound travel?
a)
Sounds travels in waves
b)
sound travels slow
c)
sound travels fast
d)
sound doesn't travel
110.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
111.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
112.
Sound is a form of? 
a)
energy
b)
pitch
c)
volume
113.
Sound is caused by? 
a)
force
b)
vibrations
c)
instruments
114.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
115.
A back and forth movement of matter
a)
volume
b)
vibration
c)
pitch
d)
frequency
116.

What is the range of frequencies audible to the human ear

a)

lower than 20 Hz

b)

20 Hz - 20.000 Hz

c)

higher than 20.000 Hz

d)

0 Hz - infinite Hz

117.

The unit for measuring frequency is the ---

a)

Joule

b)

Hertz

c)

Gram

d)

Newton

118.

What kind of musical instrument is a sitar?

a)

Membrane

b)

Wind

c)

string

d)

None

119.

The voice box is called:

a)

Mouth

b)

Larynx

c)

Stapes

d)

Incus

120.

Which among the following are percussion instruments?

a)

veena, guitar, flute

b)

veena, tabla, flute

c)

tabla, flute, drum

d)

tabla, drum, mrudangam

121.

The organ which helps humans to produce sound is -

a)

Larynx

b)

Pharynx

c)

Voice box or Larynx

d)

All of the above

122.

The vocal cords are made up of -

a)

Two bands of smooth muscle tissue

b)

Two bands of membranous tissue.

c)

Two bands of smooth muscle tissue covered with membranous tissue.

d)

All of the above.

123.

The vocal cords vibrate and air passes through the cords _______ the ________ to produce the sound of your voice.

a)

From, Lungs

b)

In , Lungs

c)

From , Throat

d)

None of the above

124.

Friction is a

a)

(a) non-contact force

b)

(b) contact force

c)

(c) magnetic force

d)

(d) electrostatic force

125.

Which of the following produces least friction?

a)

(a) Sliding friction

b)

(b) Rolling friction

c)

(c) Composite friction

d)

(d) Static friction

126.

Friction always

a)

(a) opposes the motion

b)

(b) helps the motion

c)

(c) both (a) and (b)

d)

(d) none of these

127.

Friction can be reduced by using

a)

(a) oil

b)

(b) grease

c)

(c) powder

d)

(d) all of these

128.

The shape of an aeroplane is like a

a)

(a) dog

b)

(b) bird

c)

(c) car

d)

(d) all of these

129.

Friction due to fluids is called

a)

(a) force

b)

(b) pressure

c)

(c) friction

d)

(d) drag

130.

Which of the following is not a smooth surface?

a)

(a) Surface of wet soap

b)

(b) Surface of tyres

c)

(c) Glazed tiles

d)

(d) Surface of mirror

131.

A toy car released with the same initial speed will travel farthest on

a)

(a) muddy surface

b)

(b) polished marble surface

c)

(c) cemented surface

d)

(d) brick surface

132.

If we apply oil on door hinges, the friction will

a)

(a) increase

b)

(b) decrease

c)

(c) disappear altogether

d)

(d) will remain unchanged

133.

Force of friction depends on

a)

(a) roughness of surface

b)

(b) smoothness of surface

c)

(c) inclination of surface

d)

(d) all of these

134.

Fluids are

a)

(a) liquids

b)

(b) gases

c)

(c) both (a) and (b)

d)

(d) none of these

135.

Which of the following is responsible for wearing out of bicycle tyres?

a)

a) Muscular force

b)

(b) Magnetic force

c)

(c) Frictional force

d)

(d) Electrostatic force

136.

It is difficult to walk on an oily floor because

a)

(a) Floor gets spoiled

b)

(b) There is more resistance

c)

(c) Force of friction is high

d)

(d) Force of friction is very less

137.

Sliding friction is _________ than / to rolling friction

a)

(a) smaller

b)

(b) greater

c)

(c) equal

d)

(d) None of the above

138.

Four children were asked to arrange forces due to rolling, static and sliding frictions in an increasing order. Their arrangements are given below. Choose the correct arrangement.

a)

(a) Rolling, Static, Sliding

b)

(b) Static, Rolling, Sliding

c)

(c) Rolling, sliding, static

d)

(d) Sliding, Static, Rolling

139.

Without friction, an object in motion would never stop.

a)

true

b)

false

140.

Frictional force depends on ____

a)

surface area in contact

b)

roughness of surface

c)

both a and b

d)

none of the above

141.

Which of these materials do you predict would have the MOST amount of friction?

a)

metal

b)

tile

c)

sand paper

d)

denim

142.

The rouugher the surface, the faster an object will travel over the surface

a)

true

b)

false

143.

The amount of friction depends on the weight of the objects pressing together

a)

false

b)

true

144.

Rough surfaces have _________

a)

greater friction

b)

less friction

c)

the same level of friction

145.

Wheels on a skateboard most likely experience _______

a)

Rolling Friction

b)

Sliding Friction

c)

Fluid Friction

d)

Static Friction

146.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
147.

What is friction?

a)

The random force between two solids, liquids, or gases.

b)

The contact force between two solids, liquids, or gases that slide past one another.

c)

The force that creates static electricity and helps us fly.

148.

What type of friction is it when the object doesnot move even when external force is applied on it?

a)

static

b)

sliding

c)

fluid

d)

rolling

149.

The maximum value of the force of static friction is________

a)

force

b)

limiting friction

c)

rolling friction

d)

no friction

150.

If the limiting force of friction of a wooden block is 50 N, the box start to slide when external force applied is of

a)

30 N

b)

50 N

c)

49 N

d)

51 N

151.

A force of friction which balances the applied force during the stationary state of a body is called _________

a)

force

b)

Sliding friction

c)

Static friction

d)

Rolling friction

152.

Sliding friction is _________ than the static friction

a)

less

b)

more

c)

equal

d)

zero

153.

Sliding friction is also called as ________ friction

a)

Rolling

b)

Static

c)

Limiting

d)

Kinetic

154.

Rolling friction is _______ than sliding and static friction

a)

Lesser

b)

Equal to

c)

Greater

d)

None of the above

155.

What kind of substances are known as lubricants?

a)

Increase friction

b)

Decrease friction

c)

Increase or decrease friction

d)

None of these

156.

Which of the following produces least friction?

a)

Sliding friction

b)

Rolling friction

c)

Composite friction

d)

Static friction

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