On warming ammonium sulphate with sodium hydroxide, we get ammonia gas.
(NH4)2SO4+2NaOH⟶Na2SO4+2NH3+2H2O
When an ammonium salt is warmed with sodium hydroxide solution, ammonia gas is evolved. State three ways in which you could identify this gas.
Name the gas produced when aluminium foil reacts with :
(a) dilute hydrochloric acid.
(b) sodium hydroxide solution.