Showing posts with the label Chapter 3Show all
Synthetic Fibres And Plastics
Exercises 1. Explain why some fibres are called synthetic. Ans:- Fabrics are made from fibres obtained from natural or artificial sources.The fibres which are made by human beings are called synthetic fibres. 2. Mark the correct answer. Rayon is different from synthetic fibres because (a) it has a silk-like appearance. (b) it is obtained from wood pulp. (c) its fibres can also be woven like those of natural fibres. Ans:- (b) it is obtained from wood pulp. 3. Fill in the blanks with appropriate words. (a) Synthetic…
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