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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 | |