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Fertilizer Technology-Data Intensity 1 Multiple Questions and Answers.
| 6. | Nitric acid is produced on commercial scale in a fertiliser plant by? | ||
| A. | Oxidation of ammonia | ||
| B. | CaNO3 + H2SO4 reaction | ||
| C. | Passing air through high voltage electric arc | ||
| D. | None of these | ||
| 8. | Reaction of anhydrous liquid ammonia with ortho-phosphoric acid produces? | ||
| A. | Ammonium phosphate | ||
| B. | Superphosphate | ||
| C. | Triple superphosphate | ||
| D. | None of these | ||
| 9. | H4P2O7 is the chemical formula of ______ phosphoric acid? | ||
| A. | Pyro | ||
| B. | Ortho | ||
| C. | Meta | ||
| D. | None of these | ||
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