Question

Copper + nitric acid gives out copper nitrate + water + nitrogen dioxide

Answer 1

Answer:

Allow about 5 minutes for this demo. Nitric acid reacts with copper according to the reaction: 4 HNO3(l) + Cu(s) ==> Cu(NO3)2(s and aq) + 2 NO2(g) + 2 H2O(l) The copper nitrate salt that forms is a deep blue color. The nitrogen dioxide is a maroon vapor