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Chemistry 9th Class English Medium Unit 4 Online Test MCQs With Answers
Question # 1
............. are sonorous.
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Metals
Solids
Metals
Force
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Question # 2
H° - H° has ________________ energy.
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Lower
Higher
Medium
Nil
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Question # 3
Which molecules is donor in nature?
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H
2
NH
3
O
2
HF
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Question # 4
Identify when pair has polar covalent bonds:
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O
2
and Cl
2
H
2
O and N
2
H
2
O and C
2
H
2
H
2
O and HCI
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Question # 5
Sodium has ________________ no. of protons.
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11
12
13
14
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Question # 6
The property of being polar in nature is called:
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Polarity
Chemistry
Both
Nil
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Question # 7
Metals are ________________
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Liquid
Solid
Gas
Malleable
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Question # 8
"×" & "." Represent:
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Shells
Neutrons
Electrons
Atoms
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Question # 9
Ionic compound are ________________ in water.
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insoluble
Soluble
Covalent
Solvent
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Question # 10
________________ observed that formation of covalent bonds.
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Rutherford
G.N Lewis
Both a and b
Bohar's
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Question # 11
The bond in covalent compound is ________________
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Covalent
Ionic
Dative
Couple
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Question # 12
________________ cannot be seen by naked eye.
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Matter
Molecules
Solid
Liquids
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