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Online Tests
Chemistry 9th Class English Medium Online Test MCQs With Answers
Question # 1
Fog is an example of ____________ in gas.
Choose an answer
Solid
Liquid
Gas
Plasma
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Question # 2
Which one of the following does not affect the boiling point?
Choose an answer
intermolecular forces
external pressure
nature of liquid
initial temperature of liquid
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Question # 3
Smoke in air is the example of solution.
Choose an answer
Gas in Gas
Gas in liquid
liquid in Gas
Solid in Gas
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Question # 4
Metals from a ____________ part of earth on which we live.
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Smaller
Larger
Medium
Nil
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Question # 5
The concept of orbit was used by:
Choose an answer
J.J Thomson
Rutherford
Bohr
Planck
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Question # 6
____________ agents gains electrons in chemical reaction.
Choose an answer
Reduction
Oxidation
Both
None of these
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Question # 7
There are _________ elements found till now .
Choose an answer
120
118
119
117
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Question # 8
Gold can only be dissolved by:
Choose an answer
Acids
Bases
Aqua Regia
Nil
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Question # 9
A two component solution is called ____________ solutions.
Choose an answer
Binary
Once
Both
None
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Question # 10
The unit of Molarity is :
Choose an answer
Molar
Volume
Both
Nil
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Question # 11
The most abundant element occurring in the oceans is:
Choose an answer
Oxygen
Hydrogen
Nitrogen
Silicon
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Question # 12
Neutrons have _________ charge.
Choose an answer
+
_
No
Nil
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Question # 13
Oxidation means
Choose an answer
Gain of oxygen
Removal of oxygen
Gain of hydrogen
Gain of electrons
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