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      Question

      Who developed porous porcelain candle in the year 1884

      to eliminate microbes from water?
      A Sergei Winogradsky Correct Answer Incorrect Answer
      B Louis Pasteur Correct Answer Incorrect Answer
      C Martinus Beijerinck Correct Answer Incorrect Answer
      D Charles Chamberland Correct Answer Incorrect Answer

      Solution

      The correct answer is D

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