Q22Multiple choice
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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(i) A polymer is a chain of many small units joined together which are called ______.
(iv) A fibre similar to wool is ______. (v) A plastic used for making crockery is ______.
(ii) The synthetic fibres are also known as ______ fibres.
(iii) The first fully synthetic fibre was ______.