The reddish brown coloured gas evolved on heating lead nitrate is

The method for the large scale manufacture of ammonia is

Burning magnesium in nitrogen gives a grey compound called

Artificial silk is

The oxidation product of ammonia in presence of platinum catalyst is

Hydrogen is produced when HNO₃ reacts with

The product formed when excess chlorine reacts with ammonia

Washing Soda is

Amatol is a mixture of ammonium nitrate and

The ammonium salt used in soldering