Question

Which acid are used Aqua Regia in preparation aqua regia and what are the preparation
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Answer 1

Explanation:

• Concentrated HNO₃ ( Nitric acid) and HCl ( Hydrochloric acid) are used in 1:3 ratio.
• Add nitric acid in HCl, the ratio should be 1:3.
• prepare it in the fume hood and remove the other chemical substances.