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 a smell of
burning hair and the other burnt with the smell of burning
paper. Which thread is from a pure cotton saree and which
one from a pure silk saree? Give reason for your answer.

Science - Exemplar Problems

Chapter 3. Fibre and Fabric




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The one from which the smell of burning hair came is pure silk saree because hair is also something like nylon or synthetic The one from which the smell of burning paper came is pure silk saree
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