Chemistry
State one appropriate observation for — When crystals of copper nitrate are heated in a test tube.
Related Questions
Fill in the blank from the choices given in the bracket:
Cold, dil. nitric acid reacts with copper to form …………… [Hydrogen, nitrogen dioxide, nitric oxide].
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.
Identify the acid — The acid which is prepared by catalytic oxidation of ammonia.
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.