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Question

Plexiglass is a commercial name of

A
Glyptal
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B
Polymethyl methacrylate
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C
Polystyrene
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D
Polyacrylonitrile
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Solution

The correct option is D Polymethyl methacrylate
Plexiglass is a commercial name of polymethyl methacrylate or PMMA.

It is an addition homopolymer of methyl methacrylate CH2=C|CH3COOCH3.

It is hard, transparent and better than glass in optical clarity.

Hence, option B is correct.

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