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?

NCERT Class VIII
Science - Main Course Book

Chapter 4. Materials: Metals and Non-metals

2

Answers

2015-05-27T17:07:17+05:30
There was a loss because goldsmith uses acid to make the gold shiny and remove some gold
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2015-05-27T17:28:31+05:30
Coz wen u polish d material of gold it oviously loses some weight as it'spolised surface gets cleaned
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