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10th Class Chemistry Chapter 15 Water English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
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 # 2
Which one of the following properties of water is responsible for rising of water in plants?
Choose an answer
Specific heat capacity
Viscosity
Excellent solvent action
Capillary action
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Question # 3
Temporary hardness is because of .
Choose an answer
Ca(HCO
3
)
2
CaCO
3
MgCO
3
MgSO
4
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Question # 4
Which disease cause when humans use water of industrial effluents.
Choose an answer
Cancer
Asthma
Jaundice
cholera
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Question # 5
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 # 6
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 # 7
Freezing point of water is:
Choose an answer
-4°C
0°C
-36°C
-58°C
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Question # 8
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 # 9
The process of removing temporary hardness of water.
Choose an answer
Clark's method
Washing soda method
Sodium zeolite
Filteration method
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Question # 10
The surface tension of water is:
Choose an answer
very low
moderate
high
zero
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Question # 11
How many times the heat capacity of water is greater than that of rocks.
Choose an answer
Two
Three
Four
Six
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Question # 12
Temporary hardness can be removed by__________.
Choose an answer
Quick lime
Slaked lime
Lime stone
HCl
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Question # 13
Which disease cause liver inflammation?
Choose an answer
Typhoid
Jaundice
cholera
Hepatitis
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