In the industrial manufacture of ammonia, nitrogen and hydrogen are mixed in a volume ratio of:
The only colourless and odourless gas that reacts readily with oxygen to produce reddish-brown fumes is:
In the laboratory preparation of ammonia, the round-bottom flask is mounted with its neck sloping downward (the flask is slanted) in order to:
A gas that has a pungent choking smell and turns red litmus paper blue is:
Nitrogen monoxide is prepared in the laboratory by the action of dilute nitric acid on copper. The balanced equation for the reaction is:
