MCQOPTIONS
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| 1. |
Phosphorus cycles in the form of |
| A. | \[HP{{O}^{3-}}\] |
| B. | \[{{P}^{2}}\] (gas) |
| C. | \[PO_{4}^{3-}\] |
| D. | \[A{{l}_{2}}{{(P{{O}_{4}})}_{3}}\] |
| Answer» D. \[A{{l}_{2}}{{(P{{O}_{4}})}_{3}}\] | |