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Which of the following is thermo-resistant polymer? |
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(a) |
Orlon |
(b) |
Polythene |
(c) |
Teflon |
(d) |
Calamine |
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Which of the following is thermo-resistant polymer? |
|||||||
|
(a) |
Orlon |
(b) |
Polythene |
(c) |
Teflon |
(d) |
Calamine |