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10th Class Chemistry Chapter 15 Water English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Which one of the diseases causes severe diarrhea and can be fatal?
Choose an answer
Jaundice
Dysentery
Cholera
Typhoid
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Question # 2
Water become hard because of:
Choose an answer
Ca+2
Mg+2
SO-24
all of these
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Question # 3
At which temperature o water shows mxamimum density.
Choose an answer
0
o
C
100
o
C
4
o
C
-4
o
C
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Question # 4
Temporary hardness in water can he removed by.
Choose an answer
Boiling Method
Using washing soda
Using sodium zeolite
All of them
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Question # 5
Acute lead poisoning causes dysfunction of.
Choose an answer
Kidney
Liver
CNS
All of them
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Question # 6
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 # 7
Sea water in unfit for drinking purpose die to the presence of.
Choose an answer
Salts
Algae
Fishes
All of them
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Question # 8
Which one of the following salts makes the water permanently hard?
Choose an answer
NaCO
3
NaHCO
3
CA(HCO
3
)
2
CaSO
4
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Question # 9
Cholera is caused by
Choose an answer
Protozoa
Virus
Bacteria
Fungi
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Question # 10
Which one of the properties of water is responsible for rising of water plants?.
Choose an answer
Specific heat capacity
Surface tension
Excellent solvent action
Capillary action.
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Question # 11
Water dissolves Non-ionic compounds by:
Choose an answer
Ion-Ion forces
Dipole forces
Dipole - Dipole forces
Hydrogen Bonding
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Question # 12
Some organic compound are soluble in water due to the presence of .
Choose an answer
-OH
H
+
Botha a and b
Covalent bond
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Question # 13
Which element do not causes toxicity in water?
Choose an answer
Lead
Arsenic
Sodium
Mercury
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