Science, asked by rajindersingh71035, 2 months ago

your father purchased a woollen sweater for you . lt is labelled as "pure wool ''. How do you check its purity ?​

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Answered by shreeyaparabsjs03830
0

Answer:

please marke as brainliest

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Answered by awadprajakta24
0

Answer:

if we put the woolen sweater near the lighted match stick, if it is a pure wool then it will not catch fire whereas if it is a mixed fibre wool will felt as it contains man-made polymers which melt easily....

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