MCQOPTIONS
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MCQOPTIONS
| 1. |
Which compound is used in Ultra-violet calibration? |
| A. | Hg<sub>2</sub>Cl<sub>2</sub> |
| B. | HgCl<sub>2</sub> |
| C. | K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub> |
| D. | KMnO<sub>4</sub> |
| Answer» D. KMnO<sub>4</sub> | |