Fill in the blanks with appropriate words.
(a) Synthetic fibres are also called _______ __or _______ __fibres.
(b) Synthetic fibres are synthesised from raw materials called _________.
(c) Like synthetic fibres, plastic is also a _________.
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 .
Statement I:- Synthetic fibres have the advantage over the natural fibres that they are wrinkle-free.
Statement II:- Synthetic fibres are more costly than natural fibres.
Statement III:- Synthetic fibres dry faster as compared to natural fibres.
Which of the following statement(s) is/are true?