Why is bakelite used as handles in frying pan?
Good conductor of heat.
It is an alloy.
It has low density.
Bad conductor of heat.
Explain why, frying pan handles are made of thermosetting plastics.
The non-stick coating on frying pans is that of a plastic called :
(a) polyvinyl chloride (b) melamine (c) bakelite (d) teflon
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