More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Chemistry 10th Class English Medium Unit 14 Online Test MCQs With Answers
Question # 1
A strange bitter smell noticed near photo copier machine is of.
Choose an answer
H
2
S
SO
2
O
2
O
3
Previous
Skip
Next
Question # 2
Which gas is in involved in ozone depletion?
Choose an answer
Nitrogen
CFC's
Chlorine
All of them
Previous
Skip
Next
Question # 3
Which one of these pollutants are not found in car exhaust fumes?
Choose an answer
CO
2
O
3
NO
2
SO
2
Previous
Skip
Next
Question # 4
Which gas is not present in atmosphere?
Choose an answer
Nitrogen
Oxygen
Helium
Carbon dioxide
Previous
Skip
Next
Question # 5
Catalytic converters convert.
Choose an answer
CO to CO
2
N
2
to NO
CO
2
to CO
N
2
to NO
2
Previous
Skip
Next
Question # 6
Global warming causes rising of the sea level. The cause of global warming is.
Choose an answer
CO
2
gas.
SO
2
gas.
NO
2
gases.
O
3
gas.
Previous
Skip
Next
Question # 7
Cause of global warming is :
Choose an answer
CO
2
gas
SO
2
gas
NO
2
gas
O
2
gas
Previous
Skip
Next
Question # 8
The sphere just above the Earth's surface is.
Choose an answer
Mescosphere
Stratosphere
Thermosphere
Troposphere
Previous
Skip
Next
Question # 9
Acid rain damages the building it is due to reaction on.
Choose an answer
Calcium sulphate
Calcium nitrate
Calcium carbonate
Calcium oxilat
Previous
Skip
Next
Question # 10
Which is not a poisonous gas?
Choose an answer
Ozone
Chlorine
Carbon di oxide
All of them
Previous
Skip
Next
Question # 11
At the height 880120 km from earth's surface is.
Choose an answer
Troposphere
Mesosphere
Stratosphere
Thermosphere
Previous
Skip
Next
Question # 12
Which gas acts as a glass wall of a green house?
Choose an answer
Oxygen
Carbon dioxides
sulphur dioxide
Hydrogen
Previous
Skip
Next
Question # 13
The region in which ozone layere depletes is called.
Choose an answer
Ozone hole
Black hole
Both of them
None of them
Previous
Skip
Next
Back