Discussion
Bleaching of a textile removes
Answer: A
Correct answer: the natural colour of the fibre
Bleaching destroys the coloured matter native to the fibre - the pigments and flavonoids that make scoured cotton creamy rather than white. Each of the other three belongs to a different preparation step: desizing removes the warp size, scouring the waxes and pectins, and singeing the protruding surface fibres.
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