Question

UPSC Prelims 2021 Question:

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 (Detailed Solution Below)

Option 2: Polycarbonate

Detailed Solution

Explanation:

Bisphenol A (BPA) is a chemical produced in large quantities for use primarily in the production of polycarbonate plastics. These Polycarbonates (PC) are strong and hard thermoplastics that can maintain rigidity up to 140°C and toughness down to -20°C. PC is typically used for baby bottles, sippy cups, water bottles, water gallon, metal food can liner, ketchup container, and dental sealants. Due to its toxicity, several countries have banned the use of PC for baby bottles and infant formula packaging.

Therefore, option (2) is the correct answer.

Subject: Science & Technology | Health

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