MCQOPTIONS
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| 1. |
Which of the following compounds act/as buffering agents in soil?1. Carbonates2. Phosphates3. Arsenates |
| A. | Only 3 |
| B. | Only 1 and 2 |
| C. | Only 1 |
| D. | Only 2 |
| Answer» C. Only 1 | |