MCQOPTIONS
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| 1. |
Aqua regia, literally 'king's water', is a yellow-orange fuming liquid. It was so named by alchemists because it could dissolve the noble metals, gold and platinum. What does it consist of? |
| A. | Hydrochloric acid and nitric acid |
| B. | Hydrofluoric acid and hydrochloric acid |
| C. | Hydrochloric acid and sulphuric acid |
| D. | Nitric acid and sulphuric acid |
| Answer» B. Hydrofluoric acid and hydrochloric acid | |