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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?

Science - Main Course Book

Chapter 4. Materials: Metals and Non-metals


There was a loss because goldsmith uses acid to make the gold shiny and remove some gold
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i can learn mny more knowlegble ans frm u....thz
Coz wen u polish d material of gold it oviously loses some weight as it'spolised surface gets cleaned
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