Synthetic Fibres and Plastics

. Indicate whether the following statements are True or False. Also
write the false statements in their correct form.
(i) The fabric terywool is obtained by mixing terylene and wool.
(ii) Synthetic fibres do not melt on heating.
(iii) It is risky to wear synthetic clothes while working in the
kitchen.
(iv) Most of the plastics are biodegradable.