MCQOPTIONS
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| 1. |
The \[pH\]of an aqueous solution having hydroxide ion concentration as \[1\times {{10}^{-5}}\] is [MP PMT 1991] |
| A. | 5 |
| B. | 9 |
| C. | 4.5 |
| D. | 11 |
| Answer» C. 4.5 | |