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Coal&petroluem/combustionandFlame

Total questions: 76

Worksheet time: 1hrs 11mins

Name
Class
Date
1.
What must be present for Fossil Fuels to form?
a)
Bones and Sediment
b)
Dead Organisms and Layers of Sediment
c)
Dead Organisms, Layers of Sediment, and Heat & Pressure over time
d)
Bones, Layers of Sediment, and Heat & Pressure over time
2.

Fossil fuels are a _______________________.

a)

renewable resource

b)

unknown resource

c)

nonrenewable resource

d)

new resource

3.

Where is kerosene mainly used?

a)

In laying down roads

b)

As fuel in jet engines

c)

In making water proof materials

d)

In furnaces of industries

4.

By which of the given processes is coal formed?

a)

Carbonisation

b)

Distillation

c)

Vapourisation

d)

Evaporation

5.

Identify the fuel that leaves more smoke and ash on burning.

a)

Solid fuel

b)

Liquid fuels

c)

Gaseous fuels

d)

Any one of the above

6.

Which among the following is the cleanest fuel

a)

Coal

b)

Petrol

c)

Diesel

d)

CNG

7.

Ointments, candles,Vaseline etc. are made up of

a)

Lubricating Oil

b)

Petrol

c)

LPG

d)

Paraffin wax

8.

A gas which is found along with petroleum

a)

Carbon dioxide

b)

Water gas

c)

Natural gas

d)

Producer gas

9.

The first oil well was drilled in

a)

USA

b)

UK

c)

India

d)

Iran

10.

Full form of LPG

a)

Light petroleum gas

b)

Liquified petroleum gas

c)

Long pipe of gas

d)

Long petroleum gas

11.

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

12.

Refining of petroleum is done in

a)

Fractionating Column

b)

Zone refining Column

c)

Pronounce Column

d)

None of these

13.

excessive burning of fossil fuels release _______________ which traps __________________ in the atmosphere and causes ________________ .

a)

oxygen , solar radiations , carbon dioxide

b)

carbon dioxide , solar radiations , green house effect

c)

carbon dioxide , solar energy , oxygen

d)

oxygen , solar energy , greenhouse effect

e)

green house effect , solar radiations , oxygen

14.

In complete combustion, the products are?

a)

Carbon monoxide and water

b)

Carbon dioxide and water

c)

Carbon dioxide and carbon

d)

Carbon and water

15.

Where in the fractionating column are shorter chain hydrocarbon molecules obtained?

a)

At the top

b)

At the bottom

16.

Fractional distillation separates crude oil based on the different __________ of the molecules in the mixture

a)

melting point

b)

boiling point

c)

freezing point

d)

chemical reactivity

17.

Which 2 greenhouse gases contribute the MOST to global warming of Earth?

a)

N2O and H2O

b)

O3 and H2O

c)

CO2 and CH4

18.
The greenhouse gas having the greatest role in human-caused global warming is
a)
methane
b)
carbon dioxide
c)
CFCs (chlorofluorocarbons)
d)
ozone
19.
The gradual increase in the temperature of the atmosphere is known as ________________.
a)
Greenhouse Effect
b)
Global Warming
c)
Carbon Dioxide Gases
d)
Methane
20.
A colorless, odorless gas that decreases the blood's ability to carry oxygen.  Can cause faintness, death.
a)
Nitrogen oxides
b)
Ground-level ozone
c)
Carbon monoxide
d)
Sulfur dioxide
21.

______________ ______________ is produced when fuels containing sulfur are burned in the presence of oxygen.

a)

Carbon dioxide

b)

Sulfur dioxide

c)

Carbon monoxide

d)

Greenhouse gas

22.
What causes acid rain?
a)
High concentrations of sulfuric or nitric acid from pollution
b)
Fertilizer use
c)
Pesticide use
d)
CFCs
23.
Which of the following are greenhouse gases?
a)
Carbon dioxide
b)
Methane
c)
Water vapor
d)
All answers are correct
24.
Greenhouses gases
a)
Absorb and radiate heat
b)
Destroy the ozone layer
c)
Cause respiratory problems
d)
Create smog
25.
Global warming is due to 
a)
Greenhouse gases
b)
Nitric and sulfuric acids
c)
CFCs
d)
Ozone depletion
26.

What type of rock is coal categorized as?

a)

Sedimentary

b)

Igneous

c)

Metamorphic

27.

Coal burns with__________

a)

Flame

b)

Only Glow

c)

Both flame & glow

d)

None of these

28.

Combustion is a ____________

a)

Physical process

b)

Chemical process

c)

Both of these processes

d)

None of these

29.

CNG & LPG are examples of

a)

Solid fuels

b)

Liquid fuels

c)

Gaseous fuels

d)

They are not fuels

30.

There are following zones of flame

a)

Two

b)

Four

c)

Three

d)

No zone

31.

The substance which have very low ignition temperature will

a)

Catch fire easily

b)

Will not catch fire

c)

Catch fire after sometime

d)

None of these

32.

Burning of charcoal in room will produce

a)

Carbon dioxide

b)

Nitrogen dioxide

c)

Carbon monoxide

d)

All of these

33.

Substance which catch fire are called

a)

Acids

b)

Bases

c)

Burners

d)

Combustible

34.

The amount of heat energy produced on complete combustion of 1 kg of fuel is called

a)

Calorific value

b)

Significant value

c)

Heat value

d)

Internal value

35.

Which is non combustible substance?

a)

Wood

b)

Paper

c)

Straw

d)

Iron nails

36.

Essential requirements for producing fire are

a)

Fuel

b)

Air

c)

Heat

d)

All of these

37.

Which is the hottest part in flame of candle ?

a)

Blue (outer)

b)

Yellow (middle)

c)

Black (inner)

d)

Wax part

38.

Rapid combustion is

a)

When gas burns, it produces heat & light

b)

When material suddenly burst into flames

c)

When there is evolution of heat

d)

None of these

39.

Calorific value is measured in

a)

Kilo joules

b)

Kilo grams

c)

Kilo joules per kg

d)

Kilo metre

40.

Unburnt carbon particles causes

a)

Stomach infection

b)

Respiratory problems

c)

Brain infections

d)

Throat problems

41.

Global warming is caused due to ___________ concentration of CO2 in air

a)

Decreased

b)

Increased

c)

Both a & b

d)

None of these

42.

Substance that does not burn in air is

a)

Sand

b)

Kerosene

c)

Wood

d)

Diesel

43.

Which zone represent the partial (half) combustion in candle flame

a)

Outer zone

b)

Middle zone

c)

Inner zone

d)

Lower zone

44.

Cutting off trees at large scale leads to

a)

Deforestation

b)

Afforestation

c)

Reforestation

d)

Both deforestation & afforestation

45.

Bursting of crackers is an example of

a)

Rapid combustion

b)

spontaneous combustion

c)

Explosion

d)

All of these

46.

The acronym for putting out a fire using a fire extinguisher is PASS . What does PASS stands for

a)

Pull, aim, squeeze, spread

b)

Pul, accuracy, squeeze, spread

c)

Pin, aim, squeeze, sweep

d)

Pull, aim, squeeze, sweep

47.
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
48.
Water is not used to control fires involving electrical appliances.
a)
False
b)
True
49.
Which of the following fuel has highest calorific value?
a)
Wood
b)
coal
c)
Hydrogen
d)
petrol
50.
What is produced when combustable substance is in the vapour state and burn strongly in the presence of of air?
a)
heat 
b)
light
c)
flame
d)
fumes
51.
The three sides to the fire triangle are;
a)
Petrol, Spark, Oxygen
b)
Heat, Fuel, Oxygen
c)
Heat, Paper, Air
d)
Match, Paper, Air
52.

8.7: Combustion is when a __________ reacts with oxygen

a)

petrol

b)

fuel

c)

fire triangle

d)

carbon dioxide

53.

Which poisonous gas is formed as a result of incomplete combustion?

a)

nitrogen oxide

b)

carbon monoxide

c)

Carbon dioxide

d)

coal gas

54.

The picture below shows two cases in which a person is trying to burn the paper cup. In case 1, the cup has water in it and in case 2, it is empty and dry. Identify in which of the cases the paper will burn.

a)

Case 1

b)

case 2

c)

Both case 1 and case 2

d)

The paper doesn’t burn in both the cases.

55.

Ideal fuel has ____________ calorific value

a)

Zero

b)

Low

c)

Moderate

d)

High

56.

Moderately hot zone in a candle flame

a)

outer zone

b)

middle zone

c)

innermost zone

d)

wax candle

57.
In which form the colfloric value represent?
a)
(kJ/kg)
b)
gram
c)
kilogram 
d)
both 1 & 3
58.
Are the molecules in wood the same as ash 
a)
yes 
b)
depends 
c)
does it matter 
d)
no
59.
The condition which are required for combustion to take place are:
a)
fuel
b)
ignition temperature
c)
oxygen
d)
all of these
60.
Another term for burning is
a)
Fire triangle
b)
Magnesium oxide
c)
Combustion
d)
Bustion
61.

Burning of charcoal in a closed room will produce

a)

Carbon dioxide

b)

Nitrogen dioxide

c)

Carbon monoxide

d)

Sulphur dioxide

62.

Ignition temperature is

a)

Lowest temperature at which a substance catches fire

b)

Highest temperature at which a substance catches fire

c)

Any temperature

d)

1000 C

63.

Combustion is a

a)

Natural process

b)

Chemical process

c)

Physical process

d)

None of these processes

64.

When a magnesium ribbon is burnt, it produces

a)

Magnesium hydroxide

b)

Magnesium oxide

c)

Magnesium chloride

d)

Magnesium sulphate

65.

Which one of the following is combustible?

a)

Iron nail

b)

Glass

c)

Stone pieces

d)

Paper

66.

Fuel may be

a)

Solid

b)

Liquid

c)

Gas

d)

All of the three

67.

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

68.

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

a)

Fossil fuels , Coal, Petroleum

b)

Air , Coal, Petroleum, and natural gas

c)

Coal, Petroleum, and natural gas

69.

Least polluting fuel for a vehicle is ______________ .

a)

Compressed Natural Gas.

b)

(CNG)

c)

Coal

70.

Tick True/False against the following statements.

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

a)
b)
71.

CNG is more polluting fuel than petrol.

a)
b)
72.

Coal tar is a mixture of various substances.

a)
b)
73.

Coke is the almost pure form of carbon.

a)
b)
74.

Name the elements present in coal.

a)

Carbon, oxygen and sulphur.

b)

Carbon ,Hydrogen , Nitrogen

75.

Minerals are

a)

Natural resources

b)

Inexhaustible natural resources

c)

Exhaustible natural resources

d)

All of these

76.

different components of petroleum have ________________ points .

a)

different boiling

b)

none of these

c)

Same boiling

d)

both of these

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