Fertilizer Technology-Data Intensity 4 Multiple Questions and Answers.
Exercise Questions ::
Fertilizer Technology
Published by:Michael Daani
7. | Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium___________________? |
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| A. | Carbonate |
| B. | Phosphate |
| C. | Bicarbonate |
| D. | Silicate |
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Published by:Michael Daani
8. | Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ? |
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| A. | H2 separation from coke oven gas |
| B. | Steam reforming of naphtha |
| C. | Cracking of natural gas |
| D. | Electrolysis of water |
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Published by:Michael Daani
Published by:Michael Daani
10. | A mixture of phosphate rock ______________ is heated in an electric furnace to produce phosphorous? |
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| A. | Salt & coke |
| B. | Sand & coke |
| C. | And coke |
| D. | And sand |
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Published by:Michael Daani
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