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10th Class Chemistry Chapter 15 Water English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Water molecule show structure.
Choose an answer
Tetrahedral
Trigonal
Pentagonal
All of them
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Question # 2
Which process is responsible for ascending of water in plants from roots to leaf?
Choose an answer
Condensatin
Transpiration
Capillary action
Evaporation
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Question # 3
Specific Heat capacity of water is about.
Choose an answer
4.0 Jg
-1
K
-1
4.1 Jg
-1
K
-1
4.2 Jg
-1
K
-1
4.3 Jg
-1
K
-1
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Question # 4
Calcium carbonate is in water.
Choose an answer
Insoluble
Sparingly
None of them
Soluble
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Question # 5
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 # 6
The percentage of ocean in world water is.
Choose an answer
50%
67%
97%
25%
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Question # 7
Ionic compounds are soluble in water due to:
Choose an answer
Hydrogen bonding
ion-dipole forces
Dipole-dipole forces
Dipole -induced dipole forces
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Question # 8
Water become hard because of:
Choose an answer
Ca+2
Mg+2
SO-24
all of these
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Question # 9
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 # 10
The percentage of potable water on earth is.
Choose an answer
2%
0.2%
0.02%
0.002%
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Question # 11
The salts of which element are present in detergent that causes the rapid growth of algae in water bodies is.
Choose an answer
Phosphate
Calcium
Sodium
All of them
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Question # 12
Clark's method is used to remove the hardness of water, in this method which is used.
Choose an answer
Ca(HCO
3
)
2
Na-Zeolite
Ca-Zeolite
Ca(OH)
2
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Question # 13
Which disease cause liver inflammation?
Choose an answer
Typhoid
Jaundice
cholera
Hepatitis
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