one day reeta went to a jeweller's shop with her mother. Her mother gave an old gold jewellery to the goldsmith to polish. Next day 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?
Answers
Answered by
20
Explanation:
The jeweller deep the gold in the acid solution to remove the layer of water and air.During this process some of the gold dissolve in acid solution,that's why there was a slight loss in its weight.
Answered by
8
Answer:
To polish an ornament, the gold smith dips the gold ornament in aqua regia. aqua regia is a mixture of liquid and hydogenius acid . after getting dipped in aqua regia, the outer of the layer dissolves in the solution and the tiny part appears. due to the dissolving of some part of the ornament it weight's reduces
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