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Question-1
Which method is used for purifying the water insoluble compounds?
(A)
Sublimation
(B)
Steam distillation
(C)
Simple distillation
(D)
Fractional distillation
Question-2
Which principle is used in column chromatography?
(A)
Partition
(B)
Adsorption
(C)
Absorption
(D)
Distribution
Question-3
Who was first introduced the chromatographic technique?
(A)
Raoult
(B)
Alexander Fleming
(C)
M.S Tswett
(D)
None
Question-4
Which funnel is used for separating the purified crystals from mother liquor?
(A)
Inverted
(B)
Chine dish
(C)
Water
(D)
Buchner
Question-5
Which one can be used to measure the pressure from distillation under reduced pressure?
(A)
Manometer
(B)
Thermometer
(C)
Ammeter
(D)
None
Question-6
Which term is used to express the relative adsorption in thin layer chromatography?
(A)
Chromatogram
(B)
Distance
(C)
Retention factor
(D)
None
Question-7
In which direction does the solvent moves in ascending paper chromatography?
(A)
Horizontal
(B)
Downwards
(C)
Upwards
(D)
None
Question-8
In which of the following does an organic compound is soluble?
(A)
Non polar solvents
(B)
Polar solvents
(C)
Water
(D)
HCl
Question-9
Which purification method is used for purifying the compound camphor?
(A)
Sublimation
(B)
Steam distillation
(C)
Simple distillation
(D)
Fractional distillation
Question-10
What type of impurities is needed for purifying the mixture of compounds by the steam distillation?
(A)
Non-volatile
(B)
Volatile
(C)
Insoluble in water
(D)
Both a & c
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Plus 1 Biology Science
Tamil Nadu (English Medium)
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