Question

Which one of the following is used to make ??on-stick??cookware?

• A. Poly-ethylene
• B. Polytetrafluoroethylene
• C. Polystyrene
• D. None of these

Answer 1

Answer: (B)

Polytetrafluoroethylene

Answer 2

Polytetrafluoroethylene is prepared by polymerisation of tetrafluoroethylene. ${nCF2 = CF2 ->[(NH_4)_2S_2O 8] (CF2 - CF2 )_n}$ This polymer is chemically inert and heat resistant polymer. It is very tough and electrical resistant.