1.

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 .

Answer»

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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