MCQOPTIONS
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| 1. |
One mole of calcium phosphide on reaction with excess of water gives [IIT 1999] |
| A. | One mole of phosphine |
| B. | Two moles of phosphoric acid |
| C. | Two moles of phosphine |
| D. | One mole of phosphorus pentoxide |
| Answer» D. One mole of phosphorus pentoxide | |