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प्रश्न
Gold dissolves in aqua regia, forming ______.
विकल्प
auric chloride
aurous chloride
aurochloric acid
aurous nitrate
MCQ
रिक्त स्थान भरें
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उत्तर
Gold dissolves in aqua regia, forming auric chloride.
Explanation:
Gold dissolves in aqua regia to form auric chloride (AuCl3). Aqua regia is a mixture of concentrated hydrochloric acid and concentrated nitric acid. The chlorine produced by their reaction reacts with gold and forms auric chloride.
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