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Q.

Is it true that silk shrinks or melts on burning but cotton does not?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Silk is obtained from the cocoons of the caterpillar larva and as it is obtained from animals therefore it is known as animal fibre. The silk when burned shrinks but the cotton does not shrink or melt. Silk is used to make different sarees and shirts.
 
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