Question

what is used for polishing gold which is that chemical​

Answer 1

Answer:

Aqua Regia is used for polishing gold .

While hydrochloric acid, by itself, will not react with or harm gold in any way, gold and other precious, non-reactive metals can be dissolved by a mixture of hydrochloric acid and nitric acid, in a three-to-one ratio by volume. This is called aqua regia, Latin for “royal water.”

Answer 2

Answer:

Aqua regia:it is a mixture of hydrochloric and nitric acid.