Boojho has learnt that non-metals on beating with a hammer are generally broken into pieces. Which of the following is non-metal?
  1. Iron nail
  2. Aluminium wire
  3. Copper plate
  4. Piece of coal


Correct Answer: (d) Piece of coal

Explanation:  Piece of coal is a non-metal which can break into small pieces when hammered.

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Updated on: 31-Jan-2023

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