MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the composition of aqua regia? |
| A. | 1:3 of HCl and HNO<sub>3</sub> |
| B. | 1:3 of HNO<sub>3</sub> and HCl |
| C. | 1:3 of HCl and H<sub>2</sub>SO<sub>4</sub> |
| D. | 1:3 of H<sub>2</sub>SO<sub>4</sub> and HCl |
| Answer» C. 1:3 of HCl and H<sub>2</sub>SO<sub>4</sub> | |