Single superphosphate  is  produced  by reaction of rock phosphate with;

  1. Nitric Acid
  2. Hydrochloric Acid
  3. Phosphoric Acid
  4. Sulphuric Acid
Anurag Mishra Professor Asked on 18th April 2016 in Chemistry.
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    Answer: (4) Sulphuric Acid 

    Anurag Mishra Professor Answered on 23rd April 2016.
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