Question

answer it first I will mark the first answer brainliest​

Answer 1

Answer:

Explanation:

during the polishing there are few granules of gold might be left from the ornament

so this might be a reason for the loss of weight of the gold ornament

Answer 2

to polish a gold he use aqua regia which is mixture of hydrochloric acid and nitric acid to clean jewellery usually gold can't react with acid..but in this case some gold lost its weight