Which type of paper chromatography moves along a circular sheet of paper?
Ascending
Radial
Descending
None of these
Which method is used for the separation and purification of two or more miscible liquids?
Sublimation
Steam distillation
Simple distillation
Fractional distillation
Which among the following purification method is used for separating the mixture of nitrobenzene and benzene?
Chromatography
Crystallisation
Which method is used for purifying the water insoluble compounds?
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)
In which of the following does an organic compound is soluble?
Non polar solvents
Polar solvents
Water
HCl
Which purification method is used for separating the liquid mixture with variable boiling points?
Distillation
Which purification method is used for purifying the compound camphor?
In which direction does the solvent moves in ascending paper chromatography?
Horizontal
downwards
Upwards
None