Question

One Day Rita Went To A Jewellery Shop With Her Mother Given An Old Gold Jewellery To Goldsmiths To Polish. Next Day When They Brought The Jewellery Back They Found Slight Loss In Its Weight. Can You Suggest A Reason Loss In Weight

Answer 1

Answer:

ye khaonse std ka he question

Answer 2

Correct Question?

One day Rita went to a jewellers shop with her mother.

Her mother gave her and old 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?

Answer:-

To polish a gold ornament, it is dipped in a liquid called Aqua Regia which dissolves and the inner layer appear shiny. The dissolving of the outer layer causes a reduction in the weight of the jewellery.

What is Aqua Regia?

Aqua regia is a mixture of nitric acid and hydrochloric acid, in a molar ratio of 1:3. It is a yellow orange fumid liquid and can dissolve noble metals gold and platinum, though not all metals.

Extra Shots:-

https://brainly.in/question/2792963

Class 8 NCERT Textbook Question.