A girl went to a jewelry shop with her mother and her mother gave the goldsmith some old gold ornaments to retain the glitter back to the old and dull gold and the goldsmith dipped the ornament in a solution. She found that the ornaments sparkled like new, but the weight was reduced.
(1)what could be the solution used?
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Aqua regia or royal water(latin) is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio 3:1. It is highly corrosive liquid that can dissolve gold and platinum.
ranivenkay495:
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