Define aquaregia and write its properties

1.	Define aquaregia and write its properties
Answer» Aqua regiais a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Aqua regia is a yellow-orange fuming liquid, so named by alchemists because it can dissolve the noble metals gold and platinum, though not all metals.Solubility in water: miscible in waterChemical formula: HNO3+3 HClMelting point: −42 °C (−44 °F; 231 K)Boiling point: 108 °C (226 °F; 381 K) Aquaresia also known as royal water. It is a mixture of concentrated nitric and hydrochloric acid. It is highly corrosive liquid able to attack gold and other resitant substance.

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