The One Where We Put Stuff in Acid

Reactions - Uncover the Chemistry in Everyday Life
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Reactions Science Videos | December 19, 2017

Acids are reactive, and even weak acids like vinegar can wow students with their reactivity. But strong acids can really put on a show, dissolving otherwise relatively inert metals. And aqua regia, or royal water, is a mixture of hydrochloric and nitric acids that can dissolve gold, a noble metal. Watch as Reactions uses some acid know-how to tell a chemistry detective story and sort real gold from the imposters

Sources:

History of nitric acid

Industrial uses sulphuric acid

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