Chemistry, 09.07.2019 16:00 charlotte67

One day resets went to ajeweller s shop with her mother. her mother gave an old gold jewellery to gold smith to polish. next day when they brought the jewellery back they found that there is slight loss in weight. can you suggest reason for loss in weight.

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One day resets went to ajeweller s shop with her mother. her mother gave an old gold jewellery to go...