Question

Raju went to goldsmith to sparkle his dull gold ring and the gold smith dipped his gold rin in a particular solution. The ring sparkled like a new but its weight was reduced drastically. Why and how? ​

Answer 1

Answer:

The solution he had used was Aqua regia. Aqua regia is Latin word which means ‘Royal Water’. It is the mixture of concentrated Hydrochloric acid and concentrated nitric acid in the ratio of 3:1. It is capable of dissolving metals like Gold and Platinum. Since the outer layer of the gold bangles is dissolved in aqua regia so their weight was reduced drastically.

Explanation:

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Answer 2

Answer:

Beacuse goldsmith used an acidic solution called Aquaragia due to which gold dissolved in that solution, hence weight was decreased.

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