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Railways PYQCBT 1 2016

RRB NTPC · Question 78

Multi-use plastic water bottles are made of ______. A. Bakelite B. Polystyrene C. Polyethylene D. Silicon

  1. C

  2. B

  3. A

  4. D

Show answer & explanation

Answer: (A) C

Explanation

Reusable plastic water bottles are commonly made of polyethylene (PET / HDPE), as per the official key.