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ECAT Chemistry Chapter 27 Environmental Chemistry
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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 27 Environmental Chemistry
00:00
Question # 1
Chief air pollutant which is likely to deplete ozone layer
Question # 2
Exposure to CO results in
Question # 3
One of the environmental problem is the formation of oil slicks when oil is spilled from tankers in sea water. Which treatment is suitable to remove oil slicks
Question # 4
Which causes water pollution?
Question # 5
SO2Makes ______ acid rains
Question # 6
Chromium (VI) is highly toxic and can cause
Question # 7
Air pollution is not caused by
Question # 8
Burning of fossil fuels is the main source of pollution
Question # 9
B.O.D is connected with
Question # 10
Chloroflurocarbon releases a chemical harmful to ozone
Question # 11
Photochemical smog is caused by
Question # 12
Result of ozone hole is
Question # 13
Increased asthmatic attacks in certain seasons are related to
Question # 14
Ozone layer of stratosphere requires protection from indiscriminate use of
Question # 15
Which is not a method for solid waste management
Question # 16
Ecosystem is a smaller unit of
Question # 17
Carbon monoxide is harmful to human beings as it
Question # 18
As it passes into food chain, the concentration of DDT
Question # 19
The toxic organic compounds and heavy metals and metalloids results in contamination of
Question # 20
Any substance in the environment which adversely affects the human health and natural functioning of the Ecosystem is known as
Question # 21
Pollutant of automobile exhausts that affects nervous system/produces mental diseases is
Question # 22
Acid rain is due to increase in atmospheric concentration of
Question # 23
In the atmosphere, O2is about
Question # 24
The % of CO2is the atmosphere is
Question # 25
Water is often treated with chlorine to
Question # 26
Which heavy metals do not have any safe limits
Question # 27
NO and NO2gases in atmosphere are represented by
Question # 28
Water pollution is mainly due to
Question # 29
The film forming components of paints are
Question # 30
Which of the following waste material is not recycled for use again
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