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Online Tests
Chemistry Fsc Part 1 Online Test MCQs With Answers
Question # 1
How many moles of CO are present having 12.04 x 10
23
molecules of CO2.
Choose an answer
0.5 mol
1.0 mol
1,5 mol
2.0 mol
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Question # 2
If salt bridge is not used between two half cells, than the voltage.
Choose an answer
Decreases rapidly
Decreases slowly
Does not change
Drops of zero
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Question # 3
Which statement is incorrect about 64 g of SO2.
Choose an answer
It is one mole SO2
The number of SO2 molecule are 6.02 x 10
23
The number of oxygen atoms are 6.02 x 10
23
The number sulphur atom are 6.02 x 10
23
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Question # 4
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 # 5
Half life period for 235 U is
92
Choose an answer
710 million years
810 milion years
720 million years
820 million years
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Question # 6
Unit of rate constant is the same as that of the rate of reaction in
Choose an answer
Zero order reaction
1st order reaction
2nd order reaction
3rd order reaction
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Question # 7
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 # 8
Chlorine atom and chloride ions.
Choose an answer
Are chemically identical
Are allotropes of chlroin
Have same number of electrons
Have same number of protons
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Question # 9
Conduction of electricity through gases under reduced pressure is due to the transportation of.
Choose an answer
positive charge
Negative charge
Both types of charges
None of these
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Question # 10
When 5d orbital is completed them entering electron goes into.
Choose an answer
6s
6p
6d
6f
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Question # 11
Rutherford's model of atom failed because
Choose an answer
The atom did not have a nucleus and electrons
It did not account for the attraction between protons and neutrons
It did not account for the stability of the atom
There is actually no space between the nucleus and the electrons
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Question # 12
Oxidation number of carbon in NaHCO
3
Choose an answer
+4
-6
+6
+2
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Question # 13
The shape of Sncl2 molecule is.
Choose an answer
Linear
Angular
Trigonal planar
Tetrahedral
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Question # 14
Kw for water at 0 oc is 0.1 x 10
-34
and at 100
o
C 7.5 x 10
-14
, How many times dissociation of water increase from 0
o
Cto 100
o
C
Choose an answer
7.5 times
50 times
75 times
100 times
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Question # 15
Electrode of the lead storage battery are immersed in dilute H2SO4 which has strength by mass
Choose an answer
100%
98%
30%
10%
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Question # 16
In which one of the following pairs do the molecule have similar shape.
Choose an answer
BF3 and AlCl3
CO2 and H2O
CH4 and PH3
NH3 and BCl3
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Question # 17
The wave number of the light emitted by a certain source is 2 x 10
6
m. the wavelength of this light is
Choose an answer
500 nm
500 m
200 nm
5 x 10
7
m
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Question # 18
Gooch crucible is made of.
Choose an answer
Glass
Paper
Teflon
Procelain
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