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

Result of ozone hole is

Question # 2

Air pollution is not caused by

Question # 3

The pH range of the acid rain is

Question # 4

The largest item which is recycled is

Question # 5

Increasing skin cancer and high mutation rate are due to

Question # 6

When chlorofluoro carbon are subjected to U.V. they form

Question # 7

Ozone hole refers to

Question # 8

Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere?

Question # 9

Which of the following waste material is not recycled for use again

Question # 10

Acid rains are produced by

Question # 11

In the atmosphere, O2is about

Question # 12

Water pollution is mainly due to

Question # 13

Minamata disease is due to pollution of

Question # 14

Which is not a component of environment

Question # 15

Oceans cove ______ percent of the surface of the earth

Question # 16

Which one of the following is not air pollutant gas

Question # 17

The amount of Si in the lithosphere is about

Question # 18

Ozone in most of the tropical regions acts as a pollutant and causes

Question # 19

Which one is not a pollutant normally?

Question # 20

SO2Makes ______ acid rains

Question # 21

CFCs destroy ozone layer. How many ozone molecule a chlorine free radical can destroy

Question # 22

Which is not a method for solid waste management

Question # 23

Water which his considered to be safe for human consumption is known as

Question # 24

Pollution is

Question # 25

Water is often treated with chlorine to

Question # 26

NO and NO2gases in atmosphere are represented by

Question # 27

Potable water is considered to be

Question # 28

Ecology is a science of environment and deals specially with

Question # 29

Which one is the major reason for pollution in high cities?

Question # 30

Which gasses are produced from landfills

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ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 Which factor is helping to reduce the environmental pollution
A. Rapid growth of population
B. Urbanization
C. Industrialization
D. Increase of plantation
2 Ultraviolet radiation from sun causes a reaction that produces
A. Fluorides
B. Carbon monoxide
C. Sulphur dioxide
D. Ozone
3 Which one is the most toxic?
A. Carbon
B. CO
C. CO2
D. SO2
4 Acid rain is caused when various atmospheric gases dissolve in rain water. What are the gases that cause rain water
A. SO2
B. NO2
C. CO
D. A and b only
5 Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere?
A. Fullerences
B. Freons
C. Polyhalogens
D. Ferrocene
6 Atomospheric pollutant is
A. CO2
B. CO
C. O2
D. N2
7 Which is not a method for solid waste management
A. Landfill
B. Incinerating
C. Recycling
D. None of these
8 Water pollution is mainly due to
A. Sulphure dioxide
B. Carbon dioxide
C. Oxygen
D. Industrial discharges
9 Photochemical smog is caused by
A. CO
B. CO2
C. O3
D. NO2
10 Which one of the following is not air pollutant gas
A. CO
B. CO2
C. NO
D. SO2

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