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Online Tests
Chemistry Fsc Part 1 Online Test MCQs With Answers
Question # 1
A solution of glucose is 10% The volume in which 1 g mole of it dissolved will be.
Choose an answer
1 dm3
1.8 dm3
900 cm3
200 cm3
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Question # 2
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 # 3
The rate of reaction
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Increase as the reaction proceeds
Decreases as the reaction proceeds
Remains the same as the reactions proceeds
May decrease or increase as the reaction proceeds
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Question # 4
Acetone and chloroform are soluble in each other due to
Choose an answer
Intermolecualr hydrogen bonding
Dipole-dipole interaction
Instantaneous dipoles
All of the above
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Question # 5
The comparative rates at which the solutes move in paper chromatography depend on.
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The size of paper used
Rf values of solutes
Temperature of the experiment
Size of the chromatographic tank used
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Question # 6
Pressure remaining constant at which temperature the volume of a gas will become twice of what it is at 0° C
Choose an answer
546°C
200°C
546 K
273 K
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Question # 7
A glass is full of water and contains 6.02 x 10
23
molecules of H2O The mass of water molecules is.
Choose an answer
18 gm
90 g
120 g
180 g
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Question # 8
NaCI is face centered cubic structure. The Na ion at the face of the unit cell is shared by
Choose an answer
2-unit cells
4-unit cells
Only one unit cell
8-unit cells
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Question # 9
Gases of air, always remains in the random motion and do not settle due to.
Choose an answer
Elastic collision of gas molecules
Unequal number of different gas molecules
Difference impartial pressure of gas molecules
Difference in molecular masses of air gases
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Question # 10
A molecular orbital can accommodate maximum electron
Choose an answer
2
6
8
10
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Question # 11
Dipole moment of CO2 is.
Choose an answer
1.25 D
1.85 D
3.1 D
Zero
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Question # 12
Tin has isotopes.
Choose an answer
9
10
11
12
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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 mixture of gases is used by the deep sea divers.
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Oxygen and nitrogen
Oxygen and helium
Oxygen and carbon di oxide
Oxygen and water vapours
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Question # 15
Two solution of NaCI and KCI are prepared separately by dissolving same moles of them in the fixed amount of solvent. Which of the following statements is true for these solution
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KCI solution will have higher boiling point than NaCI solution
Both the solutions have different boiling point
KCI and NaCI solution possess same vapour pressure
KCI solution possesses lower freezing point than NaCI solution
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Question # 16
The heat contents of the system of known as.
Choose an answer
Entropy
Enthalpy
Work
Free energy
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Question # 17
The carbon atom is C2H4 is.
Choose an answer
sp3 hybridized
sG2 hybridized
Sp hybridized
dsG2 bybridized
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Question # 18
When concentration of one product is removed at equilibrium stage, in which direction it moves to reestablish equilibrium.
Choose an answer
Forward
Reverse
Neither forward nor reverse
Equally move in both direction
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