Which among the following purification method is used for separating the mixture of nitrobenzene and benzene?
Steam distillation
Chromatography
Simple distillation
Crystallisation
Which term is used to express the relative adsorption in thin layer chromatography?
Chromatogram
Distance
Retention factor
None
Which funnel is used for separating the purified crystals from mother liquor?
Inverted
Chine dish
Water
Buchner
Which method is used for purifying the water insoluble compounds?
Sublimation
Fractional distillation
How can be the compounds are separated when the stationary phase is solid?
Adsorption
Partition
Both partition and adsorption
Either partition or adsorption
Which of the following layers will form when the organic substance is extracted from its aqueous solution?
Organic layer
Aqueous layer
Both a) & c)
Neither a) & c)
Which one of the following is used for decolourisation of coloured compounds?
Coke
Animal charcoal
Carbon
Infra red rays
Which purification method is used for separating the liquid mixture with variable boiling points?
Distillation
Which principle is used in column chromatography?
Absorption
Distribution
Who was first introduced the chromatographic technique?
Raoult
Alexander Fleming
M.S Tswett
none
