Phosphoric acid is produced in wet process from phosphate rock and____________________?
Correct answer: A. Dilute H2SO4
- A. Dilute H2SO4
- B. Concentrated H2SO4
- C. Concentrated NHO3
- D. Concentrated HCl
Explanation
In the wet process, phosphate rock is digested with sulfuric acid in an aqueous slurry, conventionally described as using dilute H2SO4. The reaction forms phosphoric acid along with gypsum.
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