Per NCERT, the word 'chromatography' comes from which Greek roots?
A'Chroma' (colour) + 'graphein' (to write) — i.e. 'writing with colour', because the technique was first used for dyes and inks
B'Chemia' (chemistry) + 'metron' (measure)
C'Chronos' (time) + 'graphein' (to write)
D'Chromos' (chromium) + 'graphos' (graph)
Answer & Solution
Correct answer: A. 'Chroma' (colour) + 'graphein' (to write) — i.e. 'writing with colour', because the technique was first used for dyes and inks
Per NCERT's Threads of Curiosity box, chromatography = 'writing with colour' from chroma + graphein. The other options invent etymologies.
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