While doing an experiment to see burning characteristics of various fibre Prakash hold the cotton
fibre in his hand and was about to burn it on the burner. On seeing this, his classmate Ratan
stopped him immediately and asked to use tong to hold the fibres.
(a) What is fibre?
(b) Name any three natural fibres.
(c) What are the burning characteristics of the above three fibres?
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Dietary fiber or roughage is the portion of plant-derived food that cannot be completely broken down by human digestive enzymes. Dietary fibers are diverse in chemical composition, and can be grouped generally by their solubility, viscosity, and fermentability, which affect how fibers are processed in the body
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