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Online Tests
Chemistry Fsc Part 1 Online Test MCQs With Answers
Question # 1
Which liquid has low boiling point with.
Choose an answer
Less intermolecular force and higher V.P
Greater intermolecular forces and low V.P
Bigger size and greater polarizability
High hydrogen bonding in it
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Question # 2
Which is not is state function
Choose an answer
Enthalpy
Entropy
Pressure
work
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Question # 3
The net heat change in a chemical reaction is same whether it is brought about in two or more different ways in one or several steps. It is known as
Choose an answer
Henry's law
Hess's law
Joule's principle
Law of conservation of energy
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Question # 4
Total pressure of mixture of two gases is.
Choose an answer
The sum of their partial pressures.
The difference of their partial pressures
The product of their practical pressures
The ratio of their partial pressures
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Question # 5
Which is pseudo solid
Choose an answer
CaF2
Glass
NaCl
CaCl2
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Question # 6
Which one of the following enthalpies is always an exothermic process.
Choose an answer
Enthalpy of atomization
Enthalpy of neutralization
Enthalpy of ionization
Enthalpy of dissociation
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Question # 7
The separation of the different isotopes in the mass spectrometer is done on the basis of
Choose an answer
Different amounts of positive changes
Charge e/m value different amounts of negative changes
Different m/e value
Velocities of the ions
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Question # 8
Which technique is used ot determine the absorption of radiations.
Choose an answer
Spectrometry
dilatometer method
Refractometric method
Optical rotation method
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Question # 9
K
a
and K
b
of a conjugate acid and are related with k
w
as
Choose an answer
K
a
+ K
b
=K
w
K
a
-K
b
=K
w
K
a
.
K
b
= K
w
K
a
/ K
b
= K
w
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Question # 10
Which has greater reduction potential
Choose an answer
Na
H2
Zn
F2
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Question # 11
Which element has highest ionization potential
Choose an answer
Li
Na
K
Rb
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Question # 12
Which of the following is true for ionic compounds
Choose an answer
They are non-electrolytes in the molten state
They have bonds which are directional
They conduct electricity in solid state
They are generally more soluble in polar solvents than in non-polar solvents
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Question # 13
Oxidation number of Cr in a C
2
CrO
4
is
Choose an answer
+2
+4
+6
+8
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Question # 14
Which electron traveled more distance, when jump from
Choose an answer
n1 to n2
n2 ato n3
n3 to n2
n3 to n4
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Question # 15
Which of the following solutions will have the highest boiling point
Choose an answer
0.1 M NaCI
0.1 M CaCI
2
0.1 M FeCI
3
0.1 M glucose
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Question # 16
Which molecules is 100% covalent
Choose an answer
H2
H2O
HF
NH3
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Question # 17
The number of moles of acid or base required by one dm
3
of buffer to alter its pH by one unit is called
Choose an answer
Buffer efficiency
Buffer capacity
Buffer action
None
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Question # 18
The molecule of CO2 in dry ice form the.
Choose an answer
Ionic crystals
Covalent crystals
Molecular crystals
Any type of crystals
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