Answer:
(i) The colour component
which is more soluble in water dissolves first, rises faster and produces a
colour band (spot) on the paper at a higher position. The less soluble colour
components dissolve a little later, rise slower and form coloured bands at
lower heights. In this way, three different bands will be observed.
(ii) Chromatography
(iii) To separate the pigments present in
chlorophyll.
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