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
Which is not a part of flue gas?
Choose an answer
Furans
Dioxins
HCl
H
2
SO
4
Previous
Skip
Next
Question # 2
ozone depletion (i.e O3--------------> O2 + O) occurs in:
Choose an answer
lower stratosphere
middle stratosphere
upper stratosphere
troposphere
Previous
Skip
Next
Question # 3
Ozone has a smell
Choose an answer
Bitter
Rotten egg
Sweat
None of them
Previous
Skip
Next
Question # 4
Just above the Earth's surface is
Choose an answer
Mesosphere
Stratosphere
Theremosphere
Troposphere
Previous
Skip
Next
Question # 5
Ozone is formed in:
Choose an answer
Troposphere
Stratosphere
Mesosphere
Thermosphere
Previous
Skip
Next
Question # 6
Which gas is produce by the electrical lightening of air.
Choose an answer
NO
SO
2
SO
3
CO
2
Previous
Skip
Next
Question # 7
Which is not a character of SO
2
Choose an answer
it is a colourless gas
It has irritating smell
It causes suffocation
It do not form sulphuric acid
Previous
Skip
Next
Question # 8
Mesosphere has a temperature range.
Choose an answer
17
o
C - 58
o
C
58
o
C - 2
o
C
2
o
C - 93
o
C
- 93
o
C
Previous
Skip
Next
Question # 9
High concentration of which metal clogs the fish gills.
Choose an answer
Zinc
Aluminium
Sodium
Copper
Previous
Skip
Next
Question # 10
Which pollutant is not found in car exhaust gases?
Choose an answer
CO
O
3
NO
2
SO
3
Previous
Skip
Next
Question # 11
The envelope of different gases around the earth is called.
Choose an answer
Atmosphere
Brosphere
Lithosphere
Hydrosphere
Previous
Skip
Next
Question # 12
The percentage of sun light absorbed by atmospheric gases is.
Choose an answer
2%
10%
18%
25%
Previous
Skip
Next
Question # 13
Normaily rain water is weakly acidic because.
Choose an answer
SO
3
CO
2
CO
3
NO
2
Previous
Skip
Next
Back