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 ______.
(i) Monomers (Smallest molecules that combine with each other to for complex polymers)
(ii) Man Made (These fibres are not obtained naturally and have to made by doing various chemical reactions)
(iii) Nylon (It was made in 1865 by Wallace Carothers)
(iv) Acrylic (It has properties similar to that of wool)
(v) Melamine (It is a thermosetting plastic)