why the weight of the gold is reduced after polishing it,when given to a gold smith ?
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Explanation:
- Usually gold doesn't react with acids. ... When gold is dipped in aqua regia the outer dull layer dissolves in aqua regia and the inner shiny layer appears. Due to this, some gold is lost during the polishing process. This causes the reduction in the weight.
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Answer:
because the chemical used by goldsmith i.e. Aqua Regia or Royal water in Latin removes a top thin layer of gold making it shining. as gold dissolves in this liquid. As some amount of gold is removed its weight reduces.
hope this helps you dear..
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