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


It is used to dissolve nobel metals like Gold and Platinum

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These people fail to realize that it is on the inside that God must be defended, not on the outside. They should direct their anger at themselves. For evil in the open is but evil from within that has been let out. The main battlefield for good is not the open ground of the public arena but the small clearing of each heart.
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