Multiple choice

To prepare aqua - regia, concentrated nitric acid and conc. hydrochloric acid are used in the ratio

  1. 1 : 3

  2. 3 : 1

  3. 1 : 2

  4. none of these
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A Correct answer
Explanation

Aqua regia is a highly corrosive mixture of concentrated nitric acid and concentrated hydrochloric acid, typically prepared in a molar ratio of 1:3.

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