is generally used to dissolve gold.

Hydrochloric acid

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Aqua regia

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Nitric acid

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Sodium hydroxide

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Solution

The correct option is B Aqua regia
Gold is an inert metal and barely reacts with any chemical substances.

Aqua regia (3 parts concentrated $H C l$ + 1 part concentrated $H N O_{3}$ ) is an extremely corrosive substance, and one of the few chemicals that can be used to dissolve gold.

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is generally used to dissolve gold.

The correct option is B Aqua regiaGold is an inert metal and barely reacts with any chemical substances. Aqua regia (3 parts concentrated HCl + 1 part concentrated HNO3) is an extremely corrosive substance, and one of the few chemicals that can be used to dissolve gold.

The correct option is B Aqua regia
Gold is an inert metal and barely reacts with any chemical substances.

Aqua regia (3 parts concentrated $H C l$ + 1 part concentrated $H N O_{3}$ ) is an extremely corrosive substance, and one of the few chemicals that can be used to dissolve gold.