1.

पॉलीस्टायरिन की पुनरावृत्ति इकाई है-A. B. `-CH_(2)-underset("Cl ")underset("| ")(CH)-`C. `-CH_(2)-underset(CH)underset("| ")(CH)-`D. `-CH_(2)-underset(Br)underset("| ")(CH)-`

Answer» Correct Answer - A


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