Chemistry
From the substances – Ammonium sulphate, Lead carbonate, Chlorine, Copper nitrate, Ferrous sulphate — State:
A compound which releases a reddish brown gas on reaction with conc. H2SO4 and copper turnings.
Related Questions
Write the equation for the reaction of dilute nitric acid with copper.
State why a yellow colour appears in conc. nitric acid when left standing in an ordinary glass bottle.
State what is observed when nitric acid is kept in a reagent bottle for a long time.
Explain why only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.