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What is aqua regia?

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प्रश्न

What is aqua regia?

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उत्तर

A mixture of three parts of conc. HCl and one part of conc. HNO3 is aqua regia. It gives nascent chlorine and can dissolve gold and platinum [noble metals].

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पाठ 10: Study of Compounds: Nitric Acid - Intext Question [पृष्ठ १९९]

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