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Chemistry Fsc Part 2 Online Test MCQs With Answers
Question # 1
Organic compound having fruity smell are
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Caboxylic acid
Alcohols
Ethers
Esters
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Question # 2
Pulp is washed to remove lignin from it. Due to the presence of lignin in pulp paper becomes.
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Soft
Brittle
Acidic
Colourless
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Question # 3
Which halogen occurs naturally in a positive oxidation state
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Fluorine
Chlorine
Bromine
Iodine
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Question # 4
Structure of benzene is
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Tetrahedral
Trigonal planar
Hexagonal planar
Linear
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Question # 5
Reverse of esterification is known as
Choose an answer
Trans esterification
Saponification
Hydrolysis
Neutralization
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Question # 6
When water is added to plaster of paris, it changes to a hard mass. Its volume also expands upto
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1%
2%
3%
5%
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Question # 7
Acetic acid form a dimer in liquid phase because.
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Low ionization constant of acid
High solubility in water
Hydrogen bonding
Greater polarity
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Question # 8
Sodium is collected over molten sodium chloride in Down's cell, because.
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It does not react with NaCl
It is lighter in weight and floats on molten NaCl
Its reactivity is greater than NaCl
None of these
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Question # 9
Ethanol can be converted into ethanoic acid by
Choose an answer
Hydrogenation
Hydration
Oxidation
Fermentation
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Question # 10
The type of hybridization in PCl3 is.
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dsp2
sp3
dsp3
d2sp3
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Question # 11
Plastics are pollution problem because many plastics
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are made from petroleum
are very inflammable
burn to produce toxic fumes
decompose to produce toxic products
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Question # 12
The strength of binding energy of transition elements depend upon
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number of electron pairs
number of unpaired electron pairs
number of neutrons
number of protons
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Question # 13
Conversion of phenol to benzene is known as.
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Oxidation
Reduction
Hydrolysis
Hydration
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Question # 14
Which of the following derivative connot be prepared directly from acetic acid.
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Acetamide
Acetyl chloride
Acetic anhydride
Ethyl acetate
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Question # 15
The gas used in bactericidal lamps is
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Be
Ar
Kr
Xe
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Question # 16
Which one of the following compounds will form red precipitate with ammoniacal cuprous chloride
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Acetylene
Ethylene
Benzene
Methane
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Question # 17
Which one of the following macromolecules contains carbon, hydrogen, nitrogen and oxygen in it.
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Nylon-6,6
Terylene
Starch
Bakelite
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Question # 18
Which one of the following oxides is amphoteric in nature.
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MgO
Na2O
SO2
ZnO
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