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Online Tests
Chemistry Fsc Part 1 Online Test MCQs With Answers
Question # 1
The carbon atom is C2H4 is.
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sp3 hybridized
sG2 hybridized
Sp hybridized
dsG2 bybridized
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Question # 2
The e/m value for the positive rays in maximum for the gas.
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Helium
Oxygen
Nitrogen
Hydrogen
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Question # 3
The distillation of liquid under reduced pressure is called.
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Destructive distillation
Vaccum distillation
Simple distillation
Fractional distillation
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Question # 4
Colligative properties are the properties of.
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Dilute solution which behave as nearly ideal solutions
Concentrated solutions which behave as nearly non ideal solutions
Both a and b
Neither a nor b
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Question # 5
Chromatography in which stationary phase is a solid is called.
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Partition chromatography
Paper chromatography
High pressure liquid chromatography
Adsorption chromatography
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Question # 6
The mass of one mole of electrons is.
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1.008 mg
0.55 mg
0.184 mg
1.673 mg
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Question # 7
NaCI and sand can be separated by one of the following without filtration
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Formation of solution and filtration
Formation of solution and evaporation without filtration
Sublimation
Chromatiograghy
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Question # 8
Isotopes differ in.
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Properties which depend upon mass
Arrangement of electrons in orbitals
Chemical properties
None of these
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Question # 9
Diamond is a bad conductor of electricity because
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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 # 10
Chromatography is the process which involve the distribution of a solute between
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Two mobile phases
A stationary phase and mobile phase
Two stationary and two mobile phases
Two stationary phases
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Question # 11
The drying agent used in a desiccator.
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Agcl
NH4Cl
P2O5
AlCl3
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Question # 12
Sum of pKa and pKb is equal to.
Choose an answer
1
7
0
14
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Question # 13
Rate of a chemical reaction generally increase rapidly even for small increase in temperature because of rapid increase in the
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Collisions frequency
Activation energy
Average KE of molecules
Fraction of molecules with energies more than activation energy
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Question # 14
One of the following liquids has lowest vapour pressure at 32°C. Indicate that liquid
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Ether
Chloroform
Ethanol
Water
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Question # 15
Which substance have delta E = Delta H and no pressure - volume work.
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Liquids only
Solids only
Gases only
Liquids and solids
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Question # 16
Which statement is true about Na and Na+
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size of Na is greater than Na+
Size of Na is smaller than Na+
Both have equal size
Both have same properties
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Question # 17
The number of molecules in one dm
3
of water is close to
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Question # 18
Nickel has isotopes
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3
5
6
11
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