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Question

Fill in the blanks.​

(i) A polymer is a chain of many small units joined together which are called

​(ii) The synthetic fibres are also known as fibres. ​

(iii) The first fully synthetic fibre was .​

(iv) A fibre similar to wool is .

(v) A plastic used for making crockery is .


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Solution

(i) A polymer is a chain of many small units joined together which are called monomers.​
(ii) The synthetic fibres are also known as artificial or man-made fibres. ​
(iii)The first fully synthetic fibre was nylon.​
(iv)A fibre similar to wool is acrylic.
(v) A plastic used for making crockery is melamine.

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