Nitric acid oxidises iodine to

The oxidation product of ammonia in presence of platinum catalyst is

The colour of the precipitate of ferric hydroxide is

In nitrogen fixation, atmospheric nitrogen is converted into

The formula of Urea is

Ammonal consists of ammonium nitrate and

Artificial silk is

Hydrogen is produced when HNO₃ reacts with

Burning magnesium in nitrogen gives a grey compound called

The chemical formula of sodamide is