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| 1. |
Compounds of nitrogen, phosphorus and sulphur such as ammonia, phosphoric acid and sulphuric acid are used in fertilizer industry. Write the chemical equation for the preparation of phosphoric acid (H_3PO_4) from H_3PO_3 |
| Answer» SOLUTION :`4H_3PO_3overset"HEAT"to3H_3PO_4+PH_3` | |