The gold bangles weight was reduced because
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Explanation:
Answer: The solution used by the goldsmith was aqua-regia solution which contains concentrated nitric acid and concentrated hydrochloric acid in the ratio 1:3. When the gold bangles were dipped into this solution, considerable amount of gold was dissolved in it. Thus the weight of the bangle was reduced.
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Answer:
Dipping in Aqua Regia solution which is a mixture of Nitric acid (HNO3) and Hydro Chloric acid (HCL) intha ratio 1:3 respectively.
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