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10th Class Chemistry Chapter 15 Water English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Which element protects teeth from decay?
Choose an answer
Potassium
Fluorine
Sodium
Calcium
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Question # 2
Cholera is caused by
Choose an answer
Protozoa
Virus
Bacteria
Fungi
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Question # 3
Sodium zeolite is resin of:
Choose an answer
NaAl(SiO
3
)
2
KAl(SiO
3
)
2
LiAl(SiO
3
)
2
RbAl(SiO
3
)
2
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Question # 4
Swimming pools are cleaned by the process.
Choose an answer
Chlorination
Hydrogenations
Saponification
None of them
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Question # 5
Water molecule has a structure:
Choose an answer
Ionic
Non polar
Tetrahedral
Polar
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Question # 6
Which disease causes bone and tooth damage?
Choose an answer
Fluorosis
Hepatits
Cholera
Jaundice
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Question # 7
Which disease cause liver inflammation?
Choose an answer
Typhoid
Jaundice
cholera
Hepatitis
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Question # 8
Vibrious cholera causes.
Choose an answer
Choleera
Dysentery
Fluorsis
Hepatitis
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Question # 9
Sodium zeolite is naturally occurring reason of .
Choose an answer
NaAl (SiO
3
)
2
Na
2
CO
3
CaCO
3
Na
2
SIO
3
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Question # 10
Which disease is caused by polluted water.
Choose an answer
Cholera
Typhoid
Diarrhea
All of them
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Question # 11
Permanent hardness is removed by adding.
Choose an answer
Na
2
zeolite.
Soda lime
Lime water
Quick lime
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Question # 12
Which hepatitis is caused by contaminated water?
Choose an answer
Hepatitis A
Hepatitis B
Hepatitis C
Hepatitis D
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Question # 13
Which ion cause water hardness?
Choose an answer
Al
2
Mg
2
Fe
2
Na
2
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