Question

Anju went to the market to buy sarees for her mother. She took out s thread from the edge of the two sarees shown by the shopkeeper and burnt them. One thread burnt with a smell of burning hair and the other burnt with the smell of burning paper. Which thread is from a pure cotton saree and whichone from a pure silk saree? Give reason for your answer.

Answer 1

The Thread which smelt like hair is a Silk Thread.
Silk is a similar animal fibre to Hair, hence smells like it when burnt.
The Thread which smelt like paper is Cotton Thread
Paper is made from plant fibres and cotton is a plant fibre.

Answer 2

the burnt smell of silk thread is smell similar to a smell of burnt hair because silk is a fibre of animal . the thread which smelt like paper is that the smell of burnt paper which is got from plant...