NextMockપરીક્ષાઓ શોધો, દા.ત. SSC CGL, UPPSC, Lekhpal
UPSC PYQPrelims 2021

Civil Services Examination · પ્રશ્ન 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
જવાબ બતાવો અને સમજૂતી

જવાબ: (B) Polycarbonate

સમજૂતી

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