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9th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Which shows Tyndall Effect?
Choose an answer
Slution
Colloid
Suspension
True solution
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Question # 2
In metal hydrides, the oxidation number of hydrogen is
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+1
-1
+2
-2
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Question # 3
Non-metals do not reaction with
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Strong bases
Concentrated acids
Dilute acids
Salts
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Question # 4
The modern periodic table is based on:
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Atomic number
Mass number
Relative mass
Nil
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Question # 5
The atomic number of potassium is:
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11
15
18
19
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Question # 6
____________ is an irreversible cell.
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Dry cell
Chargeable cell
Zn cell
None of these
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Question # 7
The formula of benzene is _________
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C6H6O3
C6H6
C12H22
Nil
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Question # 8
In common, a solution has ___________ components.
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1
2
3
4
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Question # 9
Which of the following can be separated by physical means?
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Mixture
Element
Compound
Radical
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Question # 10
Force per unit area is called:
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volume
pressure
weight
density
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Question # 11
A solution whose molarity is known is called:
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Dilute solution
Concentrated solution
Saturated solution
Molar solution
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Question # 12
Which of the following does not affect solubility?
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Temperature
Pressure
Nature OF SOLVENT
Area
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Question # 13
Which one of the following halogen has lowest electronegative?
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fluorine
chlorine
bromine
iodine
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