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UNIT 15: Environmental Chemistry
- Online Test
UNIT 15: Environmental Chemistry
TEST : 1
# UNIT 15: Environmental Chemistry
# TN 11th Chemistry
Prepare / Learn
Q1.
The gaseous envelope around the earth is known as atmosphere. The region lying between an altitudes of 11-50 km is __________
A.
Troposphere
B.
Mesosphere
C.
Thermosphere
D.
stratosphere
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
# UNIT 15: Environmental Chemistry
# TN 11th Chemistry
Prepare / Learn
Q2.
Which of the following is natural and human disturbance in ecology?
A.
Forest fire
B.
Floods
C.
Acid rain
D.
Green house effect
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Answer :
Option A
Explaination / Solution:
No Explaination.
# UNIT 15: Environmental Chemistry
# TN 11th Chemistry
Prepare / Learn
Q3.
Bhopal Gas Tragedy is a case of_______
A.
thermal pollution
B.
air pollution
C.
nuclear pollution
D.
land pollution
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Answer :
Option B
Explaination / Solution:
No Explaination.
# UNIT 15: Environmental Chemistry
# TN 11th Chemistry
Prepare / Learn
Q4.
Haemoglobin of the blood forms carboxy haemoglobin with
A.
Carbon dioxide
B.
Carbon tetra chloride
C.
Carbon monoxide
D.
Carbonic acid
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Answer :
Option C
Explaination / Solution:
No Explaination.
# UNIT 15: Environmental Chemistry
# TN 11th Chemistry
Prepare / Learn
Q5.
Which sequence for green house gases is based on GWP?
A.
CFC > N
2
O > CO
2
> CH
4
B.
CFC > CO
2
> N
2
O > CH
4
C.
CFC > N
2
O > CH
4
> CO
2
D.
CFC > CH
4
> N
2
O > CO
2
View Solution
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Answer :
Option C
Explaination / Solution:
No Explaination.
# UNIT 15: Environmental Chemistry
# TN 11th Chemistry
Prepare / Learn
Q6.
Photo chemical smog formed in congested metropolitan cities mainly consists of
A.
Ozone, SO
2
and hydrocarbons
B.
Ozone, PAN and NO
2
C.
PAN, smoke and SO
2
D.
Hydrocarbons, SO
2
and CO
2
View Solution
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Answer :
Option B
Explaination / Solution:
No Explaination.
# UNIT 15: Environmental Chemistry
# TN 11th Chemistry
Prepare / Learn
Q7.
The pH of normal rain water is
A.
6.5
B.
7.5
C.
5.6
D.
4.6
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Answer :
Option D
Explaination / Solution:
No Explaination.
# UNIT 15: Environmental Chemistry
# TN 11th Chemistry
Prepare / Learn
Q8.
Ozone depletion will cause
A.
forest fires
B.
eutrophication
C.
bio magnification
D.
global warming
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Answer :
Option C
Explaination / Solution:
No Explaination.
# UNIT 15: Environmental Chemistry
# TN 11th Chemistry
Prepare / Learn
Q9.
Identify the wrong statement in the following
A.
The clean water would have a BOD value of more than 5 ppm
B.
Greenhouse effect is also called as Global warming
C.
Minute solid particles in air is known as particulate pollutants
D.
Biosphere is the protective blanket of gases surrounding the earth
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
# UNIT 15: Environmental Chemistry
# TN 11th Chemistry
Prepare / Learn
Q10.
Living in the atmosphere of CO is dangerous because it
A.
Combines with O
2
present inside to form CO
2
B.
Reduces organic matter of tissues
C.
Combines with haemoglobin and makes it incapable to absorb oxygen
D.
Dries up the blood
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
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