Question

11. One day Recta 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?

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Answer 1

Answer:

it is not mentioned how it has been polished

Explanation:

it depends on the process of polish

if the process was electrolysis

for doing electroplating

then there would be increase in weight

but in the question it is given it is reduced

the condition could be ....

I. It has been done by rubbing any substance over the jewellery to make it polish

II . It has been deep in acid