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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
On which base atmosphere is divided into four regions?
Choose an answer
Change in pressure
Change in rediation
Change in temperature
Change in volume
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Question # 2
Which of the followings is a disaccharide?
Choose an answer
Glucose
Fructose
Sucrose
Starch
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Question # 3
When bromine water is added to acetylene its red-brown colour is changed into:
Choose an answer
red
green
violet
discharged
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Question # 4
Fertilizers are used to make up the deficiency of;
Choose an answer
oxygen and carbon
iron and magnesium
nitrogen and phosphorus
hydrogen and calcium
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Question # 5
Percentage of carbon in peat is.
Choose an answer
50%
60%
70%
80%
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Question # 6
Main component of natural gas is
Choose an answer
Methane
Propane
Butane
Propene
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Question # 7
A substance which can behave as an acid as well as a base is called.
Choose an answer
Acid
Base
Amphoteric
Neutral
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Question # 8
Ozone is beneficial for us as it absorbs.....................
Choose an answer
Infrared Radiations
Ultraviolet radiations
Chlorofluorocarbons
Air pollutants
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Question # 9
Conversion of wood into coal is called.
Choose an answer
Carbonization
Destructive distillation
Fractional distillation
All
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Question # 10
The % age of drinkable water on earth is
Choose an answer
2.0%
0.02%
0.2%
5.0%
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Question # 11
The strong heating of coal in the absence of air is called.
Choose an answer
Carbonization
Destructive distillation
Fractional distillation
All
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Question # 12
Which one of the following does not contain proteins.
Choose an answer
In pulses
In Potatoes
In fruits
In eggs
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Question # 13
Which of the following is a secondary pollutant.
Choose an answer
CO
2
CO
SO
3
HF
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