Aqua Regia is a concentrated mixture of:

Options :
  1. Hycrochloric acid (concentrated) and Nitric acid (concentrated)
  2. Zinc Oxide and Magnesium Oxide
  3. Sulphur and Nitrogen
  4. Calcium and Oxygen
Answer and Explanation :-

Answer: Option 1

Explanation:

It is used to dissolve nobel metals like Gold and Platinum

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You come of the Lord Adam and the Lady Eve," said Aslan. "And that is both honour enough to erect the head of the poorest beggar, and shame enough to bow the shoulders of the greatest emperor on earth. Be content.
-C.S. Lewis Prince Caspian