Q. The mixture of nitric acid and hydrochloric acid:

A
Plaster of Paris
B
Bleaching powder
C
Carbondisulphide
D
Aquaregia
Solution:
  • The mixture of hydrochloric acid and nitric acid in the ratio 3 : 1.

  • Aquaregia is the liquid in which noble metals are soluble.

  • The liquid in which gold, silver and platinum are soluble is called aquaregia.

  • Aquaregia is the liquid known as royal water.

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