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प्रश्न
What is : aqua regia
उत्तर
Aqua Regia: Conc. Nitric acid (1part by volume) when mixed with conc. Hydrochloric acid (3 parts by volume) gives a mixture called aqua regia. It means Royal water .
HNO3 +3HCl → NOCl +2H2O +2[Cl]
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संबंधित प्रश्न
Fill in the blanks using the appropriate words given below :
(Sulphur dioxide, nitrogen dioxide, Nitric oxide, Sulphuric acid)
Cold, dilute nitric acid reacts with copper to give ___________.
During thunderstorm, rain water contains nitric acid. Explain with reactions.
Conc. Nitric acid prepared in laboratory is yellow in colour why? How is this colour removed?
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of \[\ce{HNO3}\]. State the reason.
What is the oxidizing agent in ostwald process ?
Write the balanced equation for the following:
Action of concentrated nitric acid on copper.
How would you separate gold from a mixture of gold and copper filling?
Fill in the blank using the appropriate words given below:
Cold, dilute nitric acid reacts with copper to give ______.
What happens when
Caustic soda solution is added to Cu(NO3)2 solution and product boiled.
Write sqauential observation for effect of heat on Copper nitrate.