McqMate
| Q. |
Aquaregia is a mixture of the following in the ratio 1 : 3 by volume– |
| A. | cone. HNO3 and cone. HCL |
| B. | conc. HNO3 and conc. H2SO4 |
| C. | dil. HCl and dil. HNO3 |
| D. | cone. HCl and cone. HNO3 |
| Answer» C. dil. HCl and dil. HNO3 | |
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Explanation: Aqua regia or nitro-hydrochloric acid is a highly corrosive mixture of acids which is formed by freshly mixing concentrated Nitric acid (HNO3) and Hydrochloric acid (HCl), optimally in a volume ratio of 1:3. It is used in dissolving gold. |
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