1.

Which one of the following polymers will NOT catch fire ?

Answer»

`(--CF_(2)-CF_(2)--)_(n)`
`(--CH_(2)-CH_(2)--)_(n)`
`(--underset(CN)underset(|)CH-CH_(2)--)_(n)`
`(--CH_(2)-underset(CL)underset(|)CH--)_(n)`

ANSWER :A


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