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What is the quantitative requirements of sulfuric acid in production of phosphoric acid?(a) 32%(b) 93-98%(c) 42-50%(d) 20%I got this question in final exam.My enquiry is from Inorganic Chemical topic in section Inorganic Chemical Industries of Chemical Technology

Answer»

Right option is (b) 93-98%

Best explanation: 93-98% of sulphuric ACID is needed in the PRODUCTION of phosphoric acid, while 32% PHOSPHATE ROCK is needed. This sulphuric acid is reacts with Ca(PO4)^2 to produce GYPSUM as intermediate product.



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