Polymers - Result Question 31
####33. Which one of the following is used to make “nonstick” cook-wares?
[1997]
(a) Polystyrene
(b) Polyethylene terephthalate
(c) Polytetrafluoroethylene
(d) Polyvinyl chloride
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Solution:
- (c) Polytetrafluoroethylene commonly known as teflon is a tough material. This is resistant to heat and chemicals and have high melting point. Therefore it is used for coating the cookware to make them non-sticky.
