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Online Tests
Chemistry 9th Class English Medium Online Test MCQs With Answers
Question # 1
Which one is not a tetraatomic molecular?
Choose an answer
H2O
H2O2
SO3
BCL3
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Question # 2
The period of Alchemists extends from _________ AD.
Choose an answer
800 to 1800
600 to 1600
900 to 1900
700 to 1700
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Question # 3
Half life of C-14 ________________ years.
Choose an answer
5800
5700
5600
5500
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Question # 4
In period, ionization energy of elements
Choose an answer
Increases
Decreases
Remains constant
None of these
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Question # 5
Sort out a compound from the following
Choose an answer
Air
Salt
Ice-cream
Iron
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Question # 6
"Atoms" means _________
Choose an answer
Divisible
Indivisible
Break
Nil
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Question # 7
It is a strong electrolyte
Choose an answer
H2O
CH3COOH
NaOH
C6H6
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Question # 8
Halogens with metals for
Choose an answer
Ionic bond
Covalent bond
Dative covalent bond
Metallic bond
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Question # 9
The component of solution in larger amounts is ____________
Choose an answer
Solute
Solvent
a & b
Nil
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Question # 10
Air is an example of:
Choose an answer
Gas in gas
Solid in gas
Liquid in gas
Gas in ;iquid
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Question # 11
1 atm = ?
Choose an answer
1 pascal
760 mm of Hg
1 atm
1 Nm
-2
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Question # 12
It is a good reducing agent
Choose an answer
Fe
H
C
O
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Question # 13
Which is kept constant in the Charle's law:
Choose an answer
Pressure
Temperature
Volume
Mass
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