Rain water contains the traces of which acid?
Nitric
Sulphuric
hydrochloric acid
amino acid
--------- is a powerful oxidising agent.
H2SO4
HNO3
CH3COOH
HCl
Con. HNO3 gives ________ fumes on heating.
Black
Yellow
Brown
Red
The salts of nitric acid are called
nitrates
nitrides
Nitric oxide
Nitrous oxide
The __________ of nitroso ferrous sulphate decomposes on disturbing the test tube.
Black ring
Brown ring
Yellow ring
Red ring
Nitric acid is also known by the name
aqua fortis
aqua regia
chile salt petre
Indian salt petre
The nitrogen present in the atmosphere react with the ________ to form nitric oxide.
Oxygen
Nitrogen
Water
CO2
The conversion of free atmospheric _________ into useful nitrogenous compounds in the soil is known as fixation of atmospheric nitrogen.
Hydrogen
Nitric acid is a strong agent of
oxidising
reducing
neutralising
None of these