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9th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The p subshell has:
Choose an answer
one orbital
two orbitals
three orbitals
four orbitals
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Question # 2
In metal hydrides, the oxidation number of hydrogen is
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+1
-1
+2
-2
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Question # 3
Following are elements of 2nd period.Which atom is bigger in size?
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Li
Be
B
C
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Question # 4
Which of the following result in discovery of proton?
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cathode rays
canal rays
x-rays
alpha rays
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Question # 5
____________ cell is made of two half of cells.
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Zinc cell
Galvanic
Both
All
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Question # 6
The bond in covalent compound is ________________
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Covalent
Ionic
Dative
Couple
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Question # 7
The atomic number is represented by ____________
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A
Y
X
Z
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Question # 8
In peroxides, the oxidation no. of O is
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+1
-1
+3
-3
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Question # 9
The metallic plates through which electrons enters and leaves electrolytes:
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Wires
Electrodes
Both
Nil
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Question # 10
Molarity is the number of moles of solute dissolved in:
Choose an answer
1 kg of solution
100 g of slovent
Idm
3
of solvent
I dm
3
of solution
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Question # 11
The isotopes of an element have different number of
Choose an answer
Electrons
Protons
Neutrons
Protons & Neutrons
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Question # 12
Gases have ____________ shape.
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Fixed
Not Fixed
Nil
Both a & b
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Question # 13
The component of solution in larger amount is .
Choose an answer
Solute
Solvent
A & B
nIL
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