[TBQ.I.(3)] The constituent of air that supports combustion is _______
How would you show that hydrogen :
(a) is a non-supporter of combustion ?
(b) is lighter than air ?
The constituent of air that supports combustion is __________
The main constituent of air is nitrogen, which supports combustion.
Question 4
Identify the constituent of air from each of the following:
(a) The formation of water droplets on the outer surface of ice-cold lemon juice.
(b) A gas that turns lime-water milky.
(c) A gas that is a supporter of combustion.