Which two of these will give similar smell on burning? Silk, wool, cotton.
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Answer:
Silk and wool are animal products and contain proteins this is why they smell like burning hair whereas cotton is a plant product and contains cellulose. Silk is formed of animal protein secretion of silkworms. Hence , when burnt it smells like hair , which is also composed of animal protein.
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Explanation:
Which two of these will give similar smell on burning?
= Silk, wool
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