Question

when a cotton yarn is burnt,it smells like burning paper,whereas burning a woollen yarn smells likeburning hair why ​

Answer 1

Cotton is a plant product and paper is also made from plants. So when cotton is burnt, it smells like burning paper. While wool and hair both are from animals, hence on burning they smell similar.

Answer 2

Explanation:

Cotton is a plant product and paper is also made from plants. So when cotton is burnt, it smells like burning paper. While wool and hair both are from animals, hence on burning they smell similar.

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