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Online Tests
Chemistry 10th Class English Medium Unit 15 Online Test MCQs With Answers
Question # 1
Which one of the following diseases causes liver inflammation?
Choose an answer
Typhoid
Jaundice
Cholera
Hapatitis
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Question # 2
The bond angle between H-O-H in water is:
Choose an answer
104.5
o
104.6
o
104.7
o
104.8
o
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Question # 3
Salt makes the water permanently hard.
Choose an answer
CaSO
4
Ca(HCO
3
)
2
NaHCO
3
NaCO
3
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Question # 4
Rapid growth of algae in water bodies is because of detergent having.
Choose an answer
Carbonate salts.
Sulphonic acid salts.
Sulphate salts.
Phosphate salts.
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Question # 5
Water dissolves Non-ionic compounds by:
Choose an answer
Ion-Ion forces
Dipole forces
Dipole - Dipole forces
Hydrogen Bonding
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Question # 6
A sea level the boiling point of water is.
Choose an answer
0
o
C
98
o
C
100
o
C
110
o
C
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Question # 7
Boiling point of water is:
Choose an answer
0
o
C
25
o
C
80
o
C
100
o
C
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Question # 8
Water which produces good lather with soap is called.
Choose an answer
Soft water
Hard water
Heavy water
All of them
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Question # 9
Which salt cause permanent hardness in water is:
Choose an answer
Ca(HCO
3
)
2
Mg(HCO
3
)
2
CaCl
2
KCl
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Question # 10
Which of the following in insoluble in water.
Choose an answer
Benzene
NaCl
KCl
All of them
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Question # 11
Temporary hardness is because of .
Choose an answer
Ca(HCO
3
)
2
CaCO
3
MgCO
3
MgSO
4
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Question # 12
The percentage of ocean in world water is.
Choose an answer
50%
67%
97%
25%
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Question # 13
the removal of which ion causes water softening.
Choose an answer
Na
+
Mg
2
Li
+
K
+
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Question # 14
Hook worm infects.
Choose an answer
Liver
Small intestine
Large intestine
Stomach
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Question # 15
Which one of the following disease causes severe diarrhea and can be fatal:
Choose an answer
Jaundic
Dysentery
Cholera
Typhoid
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Question # 16
Permanent hardness can be removed by using .
Choose an answer
Soda lime
Sodium Zeolite
Quick lime
Lime water
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Question # 17
The percentage of water in human body is.
Choose an answer
40%
50%
60%
70%
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