Video: How to spot fake metals with acids

How to spot fake metals with acids (video)
Credit: The American Chemical Society

Acids are reactive, with even weak acids like vinegar interacting with other materials to wow students.

But strong acids can really put on a show. For example, aqua regia, or royal water, is a mixture of two strong acids—hydrochloric and nitric acids - that can dissolve gold, a .

This reaction can be put to use. Watch as Reactions employs some acid know-how to explain a chemistry detective story to sort real gold from its imposters:


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Citation: Video: How to spot fake metals with acids (2017, December 21) retrieved 26 June 2019 from https://phys.org/news/2017-12-video-fake-metals-acids.html
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