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Online Tests
Chemistry 9th Class English Medium Online Test MCQs With Answers
Question # 1
Long form of periodic Table is constructed the basis of:
Choose an answer
Mendeleev postulate
atomic number
atomic mass
mass number
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Question # 2
Which one is least reactive non-metal?
Choose an answer
P
C
CI
F
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Question # 3
The formula of benzene is _________
Choose an answer
C6H6O3
C6H6
C12H22
Nil
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Question # 4
The study of hydrocarbons and their derived compounds is called
Choose an answer
Physical chemistry
Inorganic chemistry
Organic chemistry
Biochemistry
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Question # 5
Gases are the lightest form of mater and their densities are expressed in terms of:
Choose an answer
mg cm
-3
g cm
-3
g dm
-3
kg dm
-3
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Question # 6
Increase in ________________ increase evaporation.
Choose an answer
Temperature
Stronger
All
None of above
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Question # 7
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 # 8
________________ is the shortest period.
Choose an answer
6th
8th
2nd
1st
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Question # 9
Mass per unit volume is:
Choose an answer
Velocity
Dencity
Pressure
Nil
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Question # 10
Sodium - potassium alloy is used in nuclear reactor as a:
Choose an answer
catalyst
coolant
reactant
absorber
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Question # 11
Along the period which one of the following decrease:
Choose an answer
Atomic radius
ionization energy
electron affinity
electronegative
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Question # 12
Graphite is ___________
Choose an answer
Hard
Nil
Soft
Nil
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Question # 13
Carbon forms ____________ bonds in diamonds.
Choose an answer
4
3
6
9
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