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9th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The atomic number of potassium is:
Choose an answer
11
15
18
19
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Question # 2
Protons carry _________ charge.
Choose an answer
+
_
No
Neutral
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Question # 3
Diamonds is ____________
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Soft
Hard
Bulky
Nil
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Question # 4
All electrolytes are:
Choose an answer
Conductor
Insulator
Semi conductor
Nil
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Question # 5
Ionic compound are ________________ in water.
Choose an answer
insoluble
Soluble
Covalent
Solvent
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Question # 6
The example of solid solute in gas solvent is
Choose an answer
butter
Sugar in water
Smoke in air
Opals
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Question # 7
Smoke in air is the example of solution.
Choose an answer
Gas in Gas
Gas in liquid
liquid in Gas
Solid in Gas
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Question # 8
________________ are formed from chemical reactions.
Choose an answer
Elements
Mixture
Substance
Nil
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Question # 9
Metals from a ____________ part of earth on which we live.
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Smaller
Larger
Medium
Nil
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Question # 10
The number of isotopes of carbon are
Choose an answer
1
2
3
5
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Question # 11
According to Bohr, electrons can revolve only in this orbits whose angular momentum is
Choose an answer
h/2π
n 2h/π
n h2/2π
n h/2π
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Question # 12
Formation of water form hydrogen and oxygen is:
Choose an answer
Redox reaction
Acid-base reaction
Neutralization
Decomposition
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Question # 13
The symbol of barium is:
Choose an answer
Ba
Bi
Br
B
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