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Chemistry 9th Class English Medium Online Test MCQs With Answers
Question # 1
_________ which occupies space and have mass.
Choose an answer
Matter
Atom
Molecule
All of above
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Question # 2
In period, ionization energy of elements
Choose an answer
Increases
Decreases
Remains constant
None of these
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Question # 3
The solution in which one component is aqueous ____________ solution.
Choose an answer
Aqueous
Binary
All
None
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Question # 4
Which shows Tyndall Effect?
Choose an answer
Slution
Colloid
Suspension
True solution
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Question # 5
For diagnosis of goiter in thyroid gland we use
Choose an answer
Co-60
C-14
I-131
Sr-90
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Question # 6
The solubility of which salt increases in heating?
Choose an answer
Li
2
SO
4
Ce
2
(SO
4
)
3
NaCI
KCI
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Question # 7
The mixture of two component is called .
Choose an answer
Homogeneous mixture
Binary solution
Both a & b
Nil
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Question # 8
All ionic compound are ________________ at room temperature.
Choose an answer
Liquid
Solids
Gas
Plasma
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Question # 9
The branch of chemistry which deals with qualitative & quantitative analysis of matter is :
Choose an answer
Analytical
Nuclear
Biochemistry
Organic
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Question # 10
Which one is largest?
Choose an answer
Exo
Peta
Atto
Pico
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Question # 11
Molarity is the number of moles of solute dissolved in:
Choose an answer
1 kg of solution
100 g of slovent
Idm
3
of solvent
I dm
3
of solution
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Question # 12
At freezing point which one of the following coexists in dynamic equilibrium?
Choose an answer
gas and solid
liquid and gas
liquid and solid
all of these
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Question # 13
Gases have ____________ shape.
Choose an answer
Fixed
Not Fixed
Nil
Both a & b
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