Chemistry
Identify the acid — The acid which is prepared by catalytic oxidation of ammonia.
Related Questions
Give balanced equations for the following:
(i) Laboratory preparation of nitric acid.
(ii) Action of heat on a mixture of copper and concentrated nitric acid.
State one appropriate observation for — When crystals of copper nitrate are heated in a test tube.
Explain the following:
(i) Dil. HNO3 is generally considered a typical acid but not so in it's reaction with metals.
(ii) When it is left standing in a glass bottle, concentrated nitric acid appears yellow.
(iii) In the laboratory preparation of nitric acid, an all glass apparatus is used.
From the list of the following salts — AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2. State the salt which on heating, evolves a brown coloured gas.