How can you test the woollen wear you are buying from market is pure or artificial?
pls tell it mine science test
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Answer:
Wool is made into yarns by removing the natural oils which can be done by washing the wool thoroughly with soap and water. ... Multiple strands of yarn are twisted together to make a finished product that is strong and flexible. The finished yarn can be used for clothing and other wool products.
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Explanation:
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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