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Railways PYQCBT 1 2016

RRB NTPC · Question 20

_______ is used to make microchips. A. Graphite B. Polyvinyl C. Silicon D. Bakelite

  1. B

  2. D

  3. C

  4. A

Show answer & explanation

Answer: (C) C

Explanation

Microchips are made on wafers of very pure silicon, a semiconductor.