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Which of the following is known as Aqua-regia ? (a) 3HCl + HNO3 (b) 3HNO3 + HCl (c) H3PO4 + H2SO4 (d) HCl + CH3COOH |
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Answer» Correct option (a) 3HCl + HNO3 Explanation: Aqua regia is the mixture of three parts of conc. HCl and one part of HNO3. |
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