What happens when hydrogen chloride reacts with atmospheric water vapour?
Red fumes are formed.
White fumes are formed.
Green fumes are formed.
The gas formed is colourless.
Hydrogen chloride present in gaseous form reacts with atmospheric water vapour to form white fumes of hydrochloric acid.
When conc. sulphuric acid is added to sodium chloride, sodium bisulphate and gas X is formed. If a rod dipped in ammonia is brought near gas X, dense white fumes of ammonium chloride are formed. What is X?