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Chemistry General Science Test Medium Mode MCQs With Answers
Question # 1
In Purification of potable water the coagulant used is
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nickel sulpahte
copper sulpahte
barium sulphate
alum
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Question # 2
The dehydration of ethyl alcohol with concentrated H2SO4 at 140°C gives
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Ethene
Alcohol
Diethyl ether
Carboxylic acid
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Question # 3
Elevated concentration of ______________ is harmful for fish as it clog the gills causing suffocation
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AI
Hg
As
Cr(vi)
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Question # 4
Which of the following protein has application is food industry
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Globulin
Gelatin
Casein
All
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Question # 5
Super conductors are derived from compounds of
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P-block elements
Lanthanides
Actinides
Transition elements
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Question # 6
Which one of the following will react with bothethand and ethanoic acid at room temperature
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CaCO3
CuO
Na-metal
CH3OH
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Question # 7
Van der Waal's forces exist in
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Polar compounds
Non-polar
Covalent
All types of atoms and molecules
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Question # 8
Choose the difference between natural and synthetic fertilizers:
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shapes
usage
crop application
raw material
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Question # 9
Second order of protein structure refers to
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Number and sequence of amino acids
Three dimensional structure of protein
Proteins formed of more than one monomer
Bending of protein molecule
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Question # 10
Which of the following is an example of body centred cube?
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Magnesium
Zinc
Copper
Sodium
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Question # 11
Succinic thiokinase is an enzyme of the type
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mutase
peroxidase
ligase
lyase
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Question # 12
Potassium hexacyanoferrate (II) has the formula
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K
4
[Fe(CN)
6
]
K
3
[Fe(CN)
6
]
K
2
[Fe(CN)
6
]
K [Fe(CN)
6
]
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Question # 13
Chloroflurocarbon releases a chemical harmful to ozone
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Fluorine
Chlorine
Nitrogen peroxide
Sulphure dioxdie
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Question # 14
95% alcohol is called
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Rectified spirit
Spirit of wine
Spirit
Methylated
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Question # 15
Acetic acid is obtained when
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Methyl alcohol is oxidized with potassium permanganate
Calcium acetate is distilled in the presence of calcium formate
Acetaldehyde is oxidized with potassium dichromate and sulphuric acid
Glycerol is heated with sulphuric acid
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Question # 16
The coinage metals are
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Ni, Pd, Pt
Cu, Ag, Au
Zn, Al, Pb
Fe, Si, Sn
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Question # 17
Alkyl halides react with lithium dialkyl copper reagents to give
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Alkenes
Alkyl copper halides
Alkanes
Alkenyl halides
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Question # 18
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High temperature
Low temperature
Low pressure
High pressure
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Question # 19
Coordinate covalent bond is present in the molecules
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H
2
O
BF
3
SiO
2
SO
2
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Question # 20
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[A] = [B]
[A] < [B]
[B] = [C]
[A] > [B]
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Question # 21
Hydrocarbon which is liquid at room temperature is
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Pentane
Butane
Propane
Ethane
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Question # 22
Compounds having the same molecular formula, but different functional groups show
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Metamerism
Position isomerism
Chain isomerism
Functional group isomerism
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