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9th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The isotopes of an element have different number of
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Electrons
Protons
Neutrons
Protons & Neutrons
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Question # 2
The valency of nitrogen is
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1
2
3
4
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Question # 3
Transfer of electrons between atoms results in:
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metallic bonding
ionic bonding
covalent bonding
coordinate covalent bonding
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Question # 4
A solution whose molarity is known is called:
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Dilute solution
Concentrated solution
Saturated solution
Molar solution
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Question # 5
The other name of modern periodic table is ________________ of periodic table.
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Long form
Simplified
Simplest
Nil
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Question # 6
All metals are solid at ________________ temperature.
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Room
High
Low
None
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Question # 7
_________ is an example of substance.
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Carbon
Hydrogrn
Oxygen
Water
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Question # 8
Which one is least reactive non-metal?
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P
C
CI
F
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Question # 9
Electrons carry _________ charge.
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+
_
Neutral
Bouble Positive
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Question # 10
Which one is an example of colloids?
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NaCl + Solution
Milk
Fog
Air
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Question # 11
Which one of the following will not react with dilute HCI?
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Sodium
Potassium
Calcium
Carbon
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Question # 12
Addition of OXYGEN is called.
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Reduction
Conduction
Oxidation
Nil
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Question # 13
Which is a polar molecule?
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HCI
H
2
CI
2
O
2
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