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Question

Which of the following non-metals reacts and catches fire on exposure to air?​

A
phosphorus
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B
nitrogen
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C
sulphur
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D
hydrogen
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Solution

The correct option is A phosphorus
  • Phosphorus is a non-metal that catches fire when exposed to air. It is a highly reactive metal and spontaneously reacts with oxygen to catch fire.

  • Other non-metals like sulfur, nitrogen, and hydrogen don’t react with air, at room temperature, so they don’t catch fire.​


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