MCQOPTIONS
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MCQOPTIONS
| 1. |
How triple-superphosphate is made? |
| A. | Phosphate rock+H<sub>2</sub>SO<sub>4</sub> |
| B. | Phosphate rock+HCl |
| C. | Phosphate rock+HNO<sub>3</sub> |
| D. | Phosphate rock+H<sub>3</sub>PO<sub>4</sub> |
| Answer» E. | |