UPSC PYQPrelims 2021

Civil Services Examination · প্রশ্ন 74

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
উত্তর দেখান ও ব্যাখ্যা

উত্তর: (B) Polycarbonate

ব্যাখ্যা

BPA is the key monomer of polycarbonate plastics and epoxy resins.