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How triple-superphosphate is made?(a) Phosphate rock+H2SO4(b) Phosphate rock+HCl(c) Phosphate rock+HNO3(d) Phosphate rock+H3PO4The question was posed to me in unit test.This is a very interesting question from Inorganic Chemical in portion Inorganic Chemical Industries of Chemical Technology

Answer»

Correct OPTION is (d) Phosphate rock+H3PO4

Explanation: Triple-SUPERPHOSPHATE can be made by REACTING phosphate rock with phosphoric acid. It CONTAINS 42-50% P2O5 while ‘phosphate rock+H2SO4’ gives superphosphate.



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