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Online Tests
Chemistry 9th Class English Medium Unit 1 Online Test MCQs With Answers
Question # 1
_________ is an example of substance.
Choose an answer
Carbon
Hydrogrn
Oxygen
Water
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Question # 2
Electron _____________ energy when thy jump from higher to lower level.
Choose an answer
Absorb
Radiate
Nothing
Nil
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Question # 3
The third abundant as found in the earth' crust is:
Choose an answer
Carbon monoxide
Oxygen
Nitrogen
Argon
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Question # 4
_________ can be separated by physical means.
Choose an answer
Mixture
Compound
Solution
Nil
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Question # 5
It is a triatomic molecule
Choose an answer
Sodium chloride
Water
Chalk
Glucose
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Question # 6
Which one is largest?
Choose an answer
Exo
Peta
Atto
Pico
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Question # 7
Neutrons have _________ charge.
Choose an answer
+
_
No
Nil
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Question # 8
Sort out a compound from the following
Choose an answer
Air
Salt
Ice-cream
Iron
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Question # 9
The fundamental unit of elements is ___________
Choose an answer
Molecule
Atom
Matter
Mixture
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Question # 10
The atomic number is represented by ____________
Choose an answer
A
Y
X
Z
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Question # 11
One mole of sodium = ______ .
Choose an answer
24 g
25 g
26 g
23 g
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Question # 12
Protons carry _________ charge.
Choose an answer
+
_
No
Neutral
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Question # 13
Industrial chemistry deals with the manufacturing of compounds:
Choose an answer
in the laboratory
on micro scale
on commercial scale
on economic scale
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