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Online Tests
Chemistry Fsc Part 1 Online Test MCQs With Answers
Question # 1
How many electrons can be accommodated in sub shell for which n = 3, l = 1
Choose an answer
6
8
18
32
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Question # 2
Solubility of which substance decreases by increasing temperature.
Choose an answer
NaNO3
KNO2
NaCl
Ce2(SO4)3
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Question # 3
Oxidation number of Cr in a C
2
CrO
4
is
Choose an answer
+2
+4
+6
+8
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Question # 4
Which of the following particles would on losing an electron has its outermost p-orbital as half filled
Choose an answer
Nitrogen atom
O
+
ion
P
-1
ion
S
+1
ion
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Question # 5
Electromotive force of the cell is the
Choose an answer
Difference of two electrode potentials
May be sum or the difference of two electrode potentials
Sum of two electrode potential
Depends upon the nature of the cell
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Question # 6
How many allotropic forms are present in carbon
Choose an answer
Two
Three
Four
Five
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Question # 7
Under which conditions of temperature and pressure will a real gas behave most like an ideal gas.
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Low temperature and how pressure
High temperature and high pressure
Low temperature and high pressure
High temperature and low pressure
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Question # 8
Which is not example of natural plasma.
Choose an answer
Lightening bolt
Aurora
Neon sign
Sum
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Question # 9
An aqueous solution of ethanol in water has vapour pressure.
Choose an answer
Equal to that of water
Equal to that of ethanol
More than that of water
Less than that of water
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Question # 10
The long chains of amino acids are coiled about one another onto a spiral by
Choose an answer
Ionic bond
Van der walls forces
Hydrogen bonding
Overlapping of orbitals
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Question # 11
Weak intermolecular forces are present in.
Choose an answer
Only gases
Only liquid
Only solids
gases, liquids and solids
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Question # 12
Electrolysis is used for
Choose an answer
Electroplating
Refining of copper
Manufacture of caustic soda
All of the above
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Question # 13
Diamond is a bad conductor of electricity because
Choose an answer
It has a tight structure
It has a high density
There are no free electrons present in the crystal of diamond to conduct electronics
None of these
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Question # 14
Dipole Moment of H2O is.
Choose an answer
1.61 D
1.85 D
0.95 D
1.49 D
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Question # 15
Solubility curve of CaCl26H2O shows
Choose an answer
Decrease in solubility with increase of temperature
Increase in solubility with increase of temperature
Discontinuous increase in solubility with temperature
No effect of temperature on solubility
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Question # 16
the number of moles of CO2 which contain 8.0 g of oxygen.
Choose an answer
0.25
0.50
1.0
1.50
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Question # 17
Fuel cells are the means by which chemical energy may be converted into
Choose an answer
Heat energy
Magnetic energy
Sound energy
Electric energy
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Question # 18
Chromatographic technique is very useful for
Choose an answer
Isolation
Purification
separation
All of them
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