Question

one day Reeta went to a jeweller's shop with her mother. Her mother gave an all the jewelry to the gold Smith to polish. next time when they brought the jewellery back , they found that there was a slight loss in its weight . can you suggest a reason for the loss in weight in short answer​

Answer 1

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HERE IS UR ANSWER

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In the jeweler's shop, to polish gold jewelry it is dipped in an acid called Aqua Regia. Aqua Regia dissolves the outer layer of gold. So, the inner shiny layer is visible.

Answer 2

Answer:

The outer layer of the gold dissolves in the solution and the shiny part appears. Due to the dissolving of some part of the ornament, it's weight reduces.

Explanation:

Aqua regia is a mixture of nitric acid and hydrochloric acid. it is used for polishing gold