HNO3 neutralises _________ to form salt and water.
Base
Alkali
NH3
Oxygen
_________ is a non volatile acid and produces volatile HNO3 on reacting with potassium nitrate or sodium nitrate.
HCl
H2SO4
CH3COOH
H2CO3
Copper on reaction with dilute nitric acid produces the following oxide of nitrogen
Nitrogen dioxide
Nitrous oxide
Nitric oxide
None of these
Sodium nitrate reacting with whom produces nitric acid?
conc.sulphuric acid
dil. sulphuric acid
Conc. HCl
dil.HCl
The gaseous reactants used during Ostwald's process are
Nitrogen and oxygen
Oxygen and carbon dioxide
Chlorine and nitrogen
Ammonia and oxygen
The __________ of nitroso ferrous sulphate decomposes on disturbing the test tube.
Black ring
Brown ring
Yellow ring
Red ring
The compound responsible for the brown ring during the brown ring test of nitrate ion
Nitroso iron (II) sulphate
Iron (III) chloride
Chromium sulphate
Lead (II) chloride
Rain water contains the traces of which acid?
Nitric
Sulphuric
hydrochloric acid
amino acid
Con. HNO3 prepared in laboratory is
Black
Red
Orange
Yellow