Once, Kavita visited a tailor shop and brought home some cuttings of fabric to study their properties. She took two pieces and found that one of the pieces (X) was shrinking when it was burnt with a candle. However, the other piece (Y) did not shrink on burning. Identify the material X and Y.

X:- Cotton

Y:- Silk

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X:- Sik

Y:- Cotton

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X:- Cotton

Y:- Wool

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X:- Wool

Y:- Silk

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Solution

The correct option is B
X:- Sik

Y:- Cotton

Cotton fabric does not shrink or melt on burning. It smells like a burning paper because both cotton fabric and paper are obtained from plants.

The silk yarn shrinks away from the flame and burns but does not melt.

The wool yarn also shrinks and burns but does not melt.

Hence, X can be silk or wool and Y can be cotton.

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Once, Kavita visited a tailor shop and brought home some cuttings of fabric to study their properties. She took two pieces and found that one of the pieces (X) was shrinking when it was burnt with a candle. However, the other piece (Y) did not shrink on burning. Identify the material X and Y.

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