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प्रश्न
A polymer is a chain of many small units joined together which are called ______.
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उत्तर
A polymer is a chain of many small units joined together which are called monomers.
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संबंधित प्रश्न
Very Short Answer Type Questions:
How many types of fibres are there?
Very Short Answer Type Questions:
Name two natural fibres.
Very Short Answer Type Questions:
Name two synthetic fibres.
Polyester is a natural fibre.
Complete the Analogy:
Hemp: ______:: Wool: ______.
Terrycot is made by mixing two types of fibres. Write the names of the fibres.
A lady went to the market to buy a blanket. The shopkeeper showed her blankets made of acrylic fibres as well as made of wool. She preferred to buy an acrylic blanket. Can you guess why?
A fibre similar to wool is ______.
Complete the crossword given below with the help of clues.
Across
- Substance used as synthetic wool. (7)
- A plastic used for making containers and carry bags. (9)
- Substance made up of large number of smaller molecules. (7)
- Another name for this compound is artificial silk. (5)
Down
5. A type of fibre obtained naturally from cocoon. (4)
6. A synthetic fibre classified as polyester. (8)
7. A polymer used for making ropes. (5)
Artificial fibres are stronger than natural fibres.
