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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Conversion of wood into coal is called.
Choose an answer
Carbonization
Destructive distillation
Fractional distillation
All
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Question # 2
Acid rain affects the aquatic life by clogging fish gills because of:
Choose an answer
Lead metal
Chromium metal
Mercury metal
Aluminium metal
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Question # 3
When NaHCO
3
is heated if forms:
Choose an answer
CO
2
Ca(OH)
2
CaCO
3
CaO
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Question # 4
Which compound do not produce in the halogenation of methane.
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Chloroform
Carbon tetrachloride
Carbon black
Chloromethane
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Question # 5
How many percent of natural gas is consisted of methane.
Choose an answer
60%
70%
80%
85%
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Question # 6
Acidic solutions have pH value.
Choose an answer
Less than 7
Greater than 7
equal to 7
None of these
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Question # 7
Formula of Methyl alcohol
Choose an answer
CH
5
-OH
CH
3
-CH
2
-OH
All of them
None of these
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Question # 8
Which is the natural sugar found in starchy food.
Choose an answer
Pentose
Dextrose
Hexose
All of them
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Question # 9
Which one is triglyceride.
Choose an answer
carbohydrates
Proteins
Lipids
Vitamins
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Question # 10
The percentage of protein in dry weight of cell.
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20%
40%
50%
70%
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Question # 11
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 # 12
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 # 13
These are safe source of food and energy for body during emergency.
Choose an answer
Proteins
Vitamins
Carbohydrats
Lipids
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