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 ______.

Explanation

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

(ii) The synthetic fibres are also known as man made fibres.

(iii) The first fully synthetic fibre was Nylon.

(iv) A fibre similar to wool is acrylic.

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