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Online Tests
Chemistry 9th Class English Medium Online Test MCQs With Answers
Question # 1
What is the mass of AI in 204 g of aluminium oxide Al
2
O
3
Choose an answer
26 g
54 g
108 g
27 g
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Question # 2
Group nuebr tells about the
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Number of shells
Number of valence electrons
Both a and b
None of these
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Question # 3
Transition elements are
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All gases
All non metals
All Metals
All metalloids
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Question # 4
All bases turn red litmus.
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Blue
White
Pink
Colourless
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Question # 5
Covalent bond is most commonly found between the elements of group
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1 to 13
16 to 18
13 to 17
15 to 18
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Question # 6
John Dalton put forward his atomic theory.
Choose an answer
1800
1803
1805
1903
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Question # 7
Which acid is not used as a food or mixed with food?
Choose an answer
Tartaric Acid
Formic Acid
Ascorbic acid
Citric Acid
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Question # 8
M shell has sub sheels.
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1s , 2s
1s,2s,3s
2s,2p
3s,3p,3d
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Question # 9
In whcih state of matter does not hae definite shape and volume.
Choose an answer
Liquid
Gas
Solid
All of these
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Question # 10
Activation energy of a chemical reaction must be....... the everage kinetic energy of reacting molecules.
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Equal to
Grether than
Lower than
None of these
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Question # 11
Which isotope is used in nuclear reactors.
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U-234
U-235
U-238
All of these
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Question # 12
The electropositive elements have the tendency to
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Lose electrons
Gain electrons
Share electrons
All of these
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Question # 13
Which of the following grops contain alkaline earth metals.
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I A
II A
VII A
VIII A
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