Which of the following pair of materials is preferred for making a frying pan? Given that the first material is used to make the base or the body of the frying pan and the second one is used to make its handle.
Which plastic is used :
(a) for making uniforms of fire-men fire resistant ?
(b) for giving non-stick coating on frying pans?
(c) for making handles of frying pans ?
(d) for making insulation (covering) of electric wires ?
(e) for making electric switches ?
(f) for making flexible water bottles ?
Classify the following as biodegradable and non-biodegradable materials :
Woolen clothes, Polythene bags, Paper, Aluminium cans, Toothbrush, Peels of vegetables and fruits, Cotton cloth, Jute bag, Electric switch, Frying panhandle