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Polystyrene , dacron and orlon are class...

Polystyrene , dacron and orlon are classified respectively as

A

Chain growth, step growth , step growth

B

Chain growth , step - growth , step growth

C

Chain growth, step - growth , chain growth

D

Step growth, step growth , chain growth

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The correct Answer is:
C
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Polystyrene is a

Orlon is a -

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