Boojho has learned that non-metals on beating with a hammer are generally broken into pieces. Which of the following can be broken into pieces?
A
Iron nail
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B
Aluminium wire
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C
Copper plate
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D
Piece of coal
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Solution
The correct option is D Piece of coal Iron, aluminum, and copper are metals, and carbon is nonmetal. As carbon is non-metal, it is neither malleable nor ductile. On beating with a hammer, carbon can be broken into pieces. Coal is a form of carbon, and so option D is correct.