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प्रश्न
Cotton is a natural polymer. What is its chemical name?
उत्तर
Chemical name of natural polymer of cotton is cellulose.
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संबंधित प्रश्न
Fill in the blanks with appropriate words.
Synthetic fibres are also called ______ or _______ fibres.
Fill in the blanks with appropriate words.
Synthetic fibres are synthesised from raw materials called ______
Rana wants to buy shirts for summer. Should he buy cotton shirts or shirts made from synthetic material? Advise Rana, giving your reason.
True or False
It is good to wear clothes made of synthetic fibres while cooking.
Crossword
Across
1. Fibre that is used as synthetic wool.
2. A plastic used for making water bottles.
3. A long chain made of small repeatingmonomers.
4. Another name for this semi-synthetic fibre is artificial silk.
Down
5. A type of fibre that is naturally obtained from a cocoon.
6. A synthetic fibre classified as polyester.
7. A polymer used for making rope.
The world’s most valuable fiber is ______.
The artificial fibers are also known as ______.
Write the uses of synthetic fibers.
Pick the synthetic fibre out of the following.
Indicate whether the following statement is True or False. Also write the false statement in their correct form.
Synthetic fibres do not melt on heating.
