One day Reeta went to a jeweller's shop with her mother.Her mother gave an old gold jewellery to 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 ?

One day Reeta went to a jeweller's shop with her mother.Her mother gav

1.	One day Reeta went to a jeweller's shop with her mother.Her mother gave an old gold jewellery to 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 ?
Answer» One day Reeta went to a jeweller's shop with her mother.Her mother gave an old gold jewellery to 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 ?