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

July 25, 2022 – by admin

Question: Contact lenses for eyes are made of perspex, which is nothing but
[A].

polymethylmethacrylate

[B].

polystyrene

[C].

unsaturated polyester

[D].

polypropylene

Answer: Option A

Explanation:

No answer description available for this question.