Which of the following is used for dissolution of gold?
  1. Hydrochloric acid
  2. Sulphuric acid
  3. Nitric acid
  4. Aqua regia

AcademicChemistryNCERTClass 10

Correct Answer: (d) Aqua regia

Explanation:  Aqua regia is a mixture of Nitric and Hydrochloric acid in the ratio of 1:3, is used for the dissolution of gold.
Updated on 10-Oct-2022 13:27:13