The nitrogen present in the atmosphere react with the ________ to form nitric oxide.

Which one becomes passive in concentrated nitric acid?

Aqua regia is a mixture of 3 parts HCl and one part

Aqua regia contains nacent _________ which attack metals.

--------- is a powerful oxidising agent.

Nitric acid is a strong agent of

The yellow colour of HNO₃ is due to dissolution of reddish brown coloured dioxide gas in the acid.

The compound known by the name, chile saltpetre