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9th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
In 9th century scientist accepted by:
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Dalton
Bohars
Rutherford
Nil
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Question # 2
In ________________ Bohr considered hydrogen atom for his model .
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1913
1916
1917
1918
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Question # 3
Effusion is a property of:
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Gases
LIquids
Solids
Plasma
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Question # 4
Which one is least oxidizing agent?
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F
CI
I
Br
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Question # 5
The study of hydrocarbons and their derived compounds is called
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Physical chemistry
Inorganic chemistry
Organic chemistry
Biochemistry
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Question # 6
positive ion hare formed by _________ of electrons.
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Gain
Loss
Sharing
Bonding
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Question # 7
For ________________ "like dissolves like".
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Metals
Bonds
Solubility
Nil
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Question # 8
Mendeleev periodic table was based upon the:
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electronic configuration
atomic mass
atomic number
completion of a subshell
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Question # 9
________________ elements were discovered in year 1800.
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34
35
36
37
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Question # 10
The SI unit of pressure is:
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N
N/m
2
Pascal
atm
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Question # 11
O3, Ozone is _________ molecules.
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Homoatomic
Hetroatomic
Monoatomic
Nil
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Question # 12
The no. of Ion pair/pairs in ammonia molecule is / are
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1
2
3
4
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Question # 13
Which of the following can be separated by physical means?
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Mixture
Element
Compound
Radical
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