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9th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
_________ shells of noble gases is complete.
Choose an answer
Outer most
2
1
Nil
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Question # 2
Mobility is property of ____________
Choose an answer
Liquid
Gases
A & b
Nil
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Question # 3
Which one of the following is not an electrolytic cell:
Choose an answer
Down cell
Galvanic cell
Nelson' cell
Both a and c
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Question # 4
Which molecule has single covalent bond?
Choose an answer
O
2
N
2
CI
2
CO
2
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Question # 5
Which one of the following is brittle?
Choose an answer
Sodium
Aluminum
Selenium
Magnesium
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Question # 6
How many covalent bond does C
2
H
2
molecule have?
Choose an answer
two
three
four
five
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Question # 7
Spontaneous chemical reactions take place in:
Choose an answer
electrolytic cell
Galvanic cell
Nelson' s cell
downs cell
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Question # 8
Which one of the following shell consists of three subshells?
Choose an answer
K- shell
M-Shell
L-shell
M-shell
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Question # 9
The example of solution of a solid solute in a solid solvent is
Choose an answer
Brass
Fog
Cheese
Air
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Question # 10
Which radioisotope is used for the diagnosis of tumor in the body?
Choose an answer
cobalt-60
iodine-131
strontium-90
phosphorus-30
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Question # 11
Identify when pair has polar covalent bonds:
Choose an answer
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 # 12
Concentration is ratio of:
Choose an answer
solvent to solute
solute to solution
solvent to solution
both a and b
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Question # 13
All metals are solid except
Choose an answer
AI
Mg
Na
Hg
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