PDF chapter test TRY NOW
Fill in the blanks with a suitable answer.
(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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