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

Chromium (VI) is highly toxic and can cause

Question # 2

Pick up the correct statement

Question # 3

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

Question # 4

Biodegradable pollutant is

Question # 5

Which heavy metals do not have any safe limits

Question # 6

Swage water is purified by

Question # 7

Ozone hole refers to

Question # 8

To purify water which has mud dissolved in it, A substance which coagulates the suspended particles is used. The coagulant may be

Question # 9

As it passes into food chain, the concentration of DDT

Question # 10

Ozone hole is maximum over

Question # 11

Water is often treated with chlorine to

Question # 12

Atmosphere of big/metropolitan cities is polluted most by

Question # 13

Pollution is

Question # 14

Spraying of DDT produces pollution of

Question # 15

Ozone depletion in stratosphere shall result in

Question # 16

Which one is not a pollutant normally?

Question # 17

Exposure to CO results in

Question # 18

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

Question # 19

A pollutant affects

Question # 20

Pollutant of automobile exhausts that affects nervous system/produces mental diseases is

Question # 21

Fungicides are the pesticides which

Question # 22

Air pollution is not caused by

Question # 23

Classical smog occurs in palces of

Question # 24

When rain is accompanied by a thunderstorm, the collected rain water will have a pH value

Question # 25

Phosphate pollution is caused by

Question # 26

Soil remediation means

Question # 27

Acid rain is caused when various atmospheric gases dissolve in rain water. What are the gases that cause rain water

Question # 28

Which one of the following dissolves more rapidly in blood hemoglobin than oxygen?

Question # 29

Water pollution is mainly due to

Question # 30

Result of ozone hole is

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ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 Which of the following is not an air
A. N2
B. N2O
C. NO
D. CO
2 Which is not a method for solid waste management
A. Landfill
B. Incinerating
C. Recycling
D. None of these
3 Biodegradable pollutant is
A. Plastic
B. Asbestos
C. Sewage
D. Mercury
4 Which gasses are produced from landfills
A. NH3
B. H2S
C. N2
D. All of these
5 Chromium (VI) is highly toxic and can cause
A. Blindness
B. Cancer
C. Liver problems
D. Blood problems
6 Mottling of teeth is due to presence of an element in drinking water
A. Mercury
B. Fluorine
C. Boron
D. Chlorine
7 Chromium (VI) is highly toxic and can cause
A. Blindness
B. Cancer
C. Liver problems
D. Blood problems
8 Atomospheric pollutant is
A. CO2
B. CO
C. O2
D. N2
9 A single chlorine free radical can destroy how many ozone molecules
A. 100
B. 100000
C. 10000
D. 10
10 Soil salinity can be measured by
A. Calorimeter
B. Potometer
C. Porometer
D. Conducitvity meter

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