Question

one day zaheen went to a jeweller 's shop with her mother . Her mother gave old jewellery to the goldsmith to polish . Next day back they found that there was a loss in its weight . Can you suggest the reason for the loss of the weight.

Answer 1

Answer:

There was a loss because goldsmith uses acid to make the gold shiny and remove some gold.

Answer 2

Answer:

To polish the jewellery the Goldsmith dips it in some chemicals. These chemicals erode some of the gold along with them.

Hence, resulting in weight loss.

Explanation:

For class 8th chem this much is enough cause it is not gonna come for more than 1 mark