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      Question

      Dry powder fire extinguishers

      contain
      A sand Correct Answer Incorrect Answer
      B sand and sodium carbonate Correct Answer Incorrect Answer
      C sand and potassium carbonate Correct Answer Incorrect Answer
      D sand and sodium bicarbonate Correct Answer Incorrect Answer

      Solution

      • Sodium Bicarbonate : Found in dry powder fire extinguishers for Class B and Class C fires.
      • Sand : Used primarily for Class D fires involving combustible metals, typically applied manually rather than from a commercial extinguisher.

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