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Fertilizer Technology-Data Intensity 4 Multiple Questions and Answers.
| 6. | Montecatini process is used for the manufacture of____________________? | ||
| A. | Nitric acid | ||
| B. | Phosphoric acid | ||
| C. | Urea | ||
| D. | Calcium ammonium nitrate (CAN) | ||
| 7. | Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium___________________? | ||
| A. | Carbonate | ||
| B. | Phosphate | ||
| C. | Bicarbonate | ||
| D. | Silicate | ||
| 9. | Urea is formed only____? | ||
| A. | In liquid phase | ||
| B. | In vapour phase | ||
| C. | At very high temperature | ||
| D. | At very low pressure (vacuum) | ||
| 10. | A mixture of phosphate rock ______________ is heated in an electric furnace to produce phosphorous? | ||
| A. | Salt & coke | ||
| B. | Sand & coke | ||
| C. | And coke | ||
| D. | And sand | ||
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