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Question

Boojho has learnt that non-metals on beating with a hammer are generally broken into pieces. Which of the following is a nonmetal?


A

Iron nail

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B

Aluminium wire

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C

Copperplate

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D

Piece of coal

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Solution

The correct option is D

Piece of coal


The explanation for the correct option:

(D) Piece of coal

  • Iron, aluminium, and copper are all metals in the given options, but only carbon is a non-metal that may be broken with a hammer since non-metals are not malleable or ductile.
  • Hammering causes coal, to break into bits.
  • Coal is a fossil fuel with a dark colour that may be mined from the ground and used as fuel for a variety of things.
  • Metals are malleable and ductile on the opposite. So, this is the correct option.

The explanation for the incorrect option:

(A) Iron nail

  • Iron nail is a metal which is not non-metal. so this is an incorrect option.

(B) Aluminium wire

  • Aluminium wire is a metal which is not non-metal. so this is an incorrect option.

(C) Copperplate

  • Copperplate is a metal which is not non-metal. so this is an incorrect option.

Hence, the correct option is (D) Piece of coal is the non-metal.


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