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Which is INCORRECT?1. Rayon or artificial silk is obtained from a natural source, wood pulp2. Nylon is prepared from coal, water and air and it was the first fully synthetic fibre3. Polyester is another synthetic fibre and fabric made from this fibre does get wrinkled easily4. Cotton is a polymer made of many repeating units called cellulose

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Which is INCORRECT?<br>1. Rayon or artificial silk is obtained from a natural source, wood pulp<br><br>2. Nylon is prepared from coal, water and air and it was the first fully synthetic fibre<br><br>3. Polyester is another synthetic fibre and fabric made from this fibre does get wrinkled easily<br><br>4. Cotton is a polymer made of many repeating units called cellulose






 
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