Contact lenses for eyes are made of perspex, which is nothing but Options: A . &nbspPolymethylmethacrylate B . &nbspPolystyrene C . &nbspUnsaturated polyester D . &nbspPolypropylene

Contact lenses for eyes are made of perspex, which is nothing but

Question

Contact lenses for eyes are made of perspex, which is nothing but

Options:

A . Polymethylmethacrylate

B . Polystyrene

C . Unsaturated polyester

D . Polypropylene

Answer: Option A

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