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10th Class Chemistry Chapter 15 Water English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Which of the following in insoluble in water.
Choose an answer
Benzene
NaCl
KCl
All of them
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Question # 2
The water which produces good lather with soap is called:
Choose an answer
soft water
hard water
heavy water
typical water
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Question # 3
Temporary hardness can be removed by__________.
Choose an answer
Quick lime
Slaked lime
Lime stone
HCl
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Question # 4
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 # 5
Water become hard because of:
Choose an answer
Ca+2
Mg+2
SO-24
all of these
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Question # 6
The boiling point of water is.
Choose an answer
100
o
C
4
o
C
0
o
C
25
o
C
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Question # 7
Specific heat capacity of water is.
Choose an answer
4.2 KJg
-1
K
-1
4.2 Jg
-1
K
-1
2.4 KJg
-1
K
-1
2.4 Jg
-1
K
-1
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Question # 8
A disease is caused by excess of bile pigments in the blood is.
Choose an answer
Typhoid
Jaundice
Cholera
Dysentery
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Question # 9
Hard water can cause.
Choose an answer
Stomach disorder
Boiler blasts
Inefficiency of engine
All of them
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Question # 10
Which one of the following gases is used to destroy harmful bacteria in water.
Choose an answer
Iodine
Chlorine
Fluorine
Bromine
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Question # 11
The heat capacity of water is greater than rocks.
Choose an answer
4 times
5 times
6 times
7 times
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Question # 12
Vibrious cholera causes.
Choose an answer
Choleera
Dysentery
Fluorsis
Hepatitis
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Question # 13
Chemical formula of hypochlorous acid is.
Choose an answer
HCl
HOCl
H
2
CO
3
HF
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