Question

paheli went to the market to buy sarees for her mother she took out a thread from the edge of the two sarees shown by the shopkeeper and burnt them one thread burnt with smell of burning paper which thread is from a pure cotton saree and which one from a pure silk sarees give reason for your answer

Answer 1

Which burnt with smell of brunt paper is pure cotton, other one is pure silk

Answer 2

The thread which burns with a smell of burning hair is from pure silk. Silk and hair both are protein fibres. Cotton and paper both are carbohydrates, and on burning they give a similar smell.