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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