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Discussion :: Fertiliser Technology

  1. Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.

  2. A.

     50-80

    B.

     250-400

    C.

     1000-1200

    D.

     800-900

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    Answer : Option B

    Explanation :

    Explanation Not Provided


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