Question : In Aqua Regia which two acids are mixed in 1:3?
Option 1: HNO3 and HCl
Option 2: HNO3 and H2SO4
Option 3: HNO3 and H2CO3
Option 4: HCl and H2CO3
Correct Answer: HNO 3 and HCl
Solution : The correct options are HNO 3 an d HCl .
Aqua regia, or "royal water", is a very corrosive and potent combination of strong nitric acid (HNO 3 ) and concentrated hydrochloric acid (HCl) in a ratio of 1:3. It is well-known for its ability to dissolve precious metals such as gold and platinum, which are normally resistant to many acids.
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