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      Question

      Which of the following element is used for the

      manufacture of the safety-matches?
      A Thorium Correct Answer Incorrect Answer
      B Tungsten Correct Answer Incorrect Answer
      C Phosphorous Correct Answer Incorrect Answer
      D Sulphur Correct Answer Incorrect Answer

      Solution

      The element phosphorus is used to produce safety matches. During manufacture, the match stick is soaked in ammonium phosphate, which prevents ‘afterglow’ once the flame has gone out, and paraffin, which ensures that it burns easily.

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