Rewrite the correct statement with the missing word/s : 

Aqua regia contains one part by volume of nitric acid and three parts by volume of hydrochloric acid.

Give reason for the following : 

Hydrogen chloride gas cannot be dried over quick lime.

Give a balanced equation for the reaction : 

Conc.hydrochloric acid and potassium permanganate solution.

Give balanced equation with conditions, if any for the following conversion.

Sodium chloride to hydrogen chloride

Give balanced equation with conditions, if any, for the following conversion.

Hydrogen chloride $\to$Iron (II) chloride

Give balanced equation with conditions, if any, for the following conversion.

Hydrogen chloride $\to$Ammonium chloride

Give balanced equation with conditions, if any, for the following conversion.

Hydrogen chloride $\to$Lead chloride