UPSC Previous Year Question | Prelims GS | 2021

Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following kinds of plastics?

  1. Low-density polyethylene
  2. Polycarbonate
  3. Polyethylene terephthalate
  4. Polyvinyl chloride

Answer

Correct Answer

Polycarbonate

Explanation

BPA is a key monomer used to make polycarbonate plastics (and epoxy resins) and is a concern because it is an endocrine disruptor. Low-density polyethylene, PET and PVC are not made with BPA as a structural component.

Topics: bisphenol a in polycarbonate, chemistry, polymers & plastics, science & technology