ECAT Pre Engineering Chemistry Chapter 27 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 27 Environmental Chemistry

Try The MCQ's Test For ECAT Chemistry Chapter 27 Environmental Chemistry

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ECAT Chemistry Chapter 27 Environmental Chemistry

00:00
Question # 1

Which gas is not a constituent of atmosphere

Question # 2

The 95.5% mass of Lithosphone is made of 11 elements i.e. O2, Si, Al, Fe, Ca, Na, K, Mg, Ti, H2and P. which element is present in trace amount

Question # 3

The film forming components of paints are

Question # 4

Chief source of water and soil pollution is

Question # 5

In Antarctica ozone depletion is due to the formation of following compound

Question # 6

Any substance in the environment which adversely affects the human health and natural functioning of the Ecosystem is known as

Question # 7

The toxic organic compounds and heavy metals and metalloids results in contamination of

Question # 8

Which gasses are produced from landfills

Question # 9

Which of the following human activities are contaminating surface and ground waters

Question # 10

Hydrocarbans, SO2, CO, NH3, nitrogen oxides and compounds of fluorine are called

Question # 11

Cyclone collector is used for minimizing

Question # 12

Carbon monoxide, emitted by automobiles, prevents transport of oxygen in body due

Question # 13

Atomospheric pollutant is

Question # 14

Result of ozone hole is

Question # 15

Ground and surface waters are contaminated and become polluted due to the human activity. Which human activity will bot cause water pollution

Question # 16

Pollution is

Question # 17

Carbon monoxide is harmful to human beings as it

Question # 18

Which one is the most toxic?

Question # 19

Soil remediation means

Question # 20

Which is not a component of environment

Question # 21

Which step is unnecessary for purification of water for drinking purposes

Question # 22

Which causes water pollution?

Question # 23

The pH of the rain water in areas where acid rain is the cause of pollution may be

Question # 24

The % of CO2is the atmosphere is

Question # 25

Depletion of ozone layer is due to

Question # 26

Acid rain is due to increase in atmospheric concentration of

Question # 27

Ozone hole refers to

Question # 28

Environmental pollution affects

Question # 29

The amount of Si in the lithosphere is about

Question # 30

A pollutant affects

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ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 In the atmosphere, O2is about
A. 10%
B. 15%
C. 21%
D. 25%
2 Which gas is not a constituent of atmosphere
A. Xe
B. O3
C. H2
D. F2
3 Acid rain is due to increase in atmospheric concentration of
A. Ozone and dust
B. CO2and CO
C. SO3and CO
D. SO2and NO2
4 Most hazardous metal pollutant of automobile exhaust is
A. Mercury
B. Lead
C. Cadmium
D. Copper
5 Water pollution is mainly due to
A. Sulphure dioxide
B. Carbon dioxide
C. Oxygen
D. Industrial discharges
6 The region of earth capable of supporting life is
A. Hydrosphere
B. Lithosphere
C. Biosphere
D. Atmosphere
7 Which one is the major reason for pollution in high cities?
A. Fossil fuel
B. Acid rain
C. Heat dispersion
D. None of the above
8 Any substance in the environment which adversely affects the human health and natural functioning of the Ecosystem is known as
A. Environment
B. Hydrosphere
C. Pollutant
D. Biosphere
9 Which is not a method for solid waste management
A. Landfill
B. Incinerating
C. Recycling
D. None of these
10 When rain is accompanied by a thunderstorm, the collected rain water will have a pH value
A. Uninfluenced by occurrence of thuderstorm
B. Which depends on the amount of dust in air
C. Slightly lower than that of rain water without thunderstorm
D. Slighlty higher than that when the thunderstom is not there

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