Question

Answer the following in one word :
1., Which is the combustion that takes place in presence of excess or sufficient
amount of air or oxygen?
2. Which is zone located at the base of the flame?
3. Which is the substance that does not burn in air or oxygen to produce heat
and light?
4.
Oxides of sulphur and nitrogen dissolve in rain water and form acids. The
resulting rain is called.
5.
Name the substance which burns in air.​

Answer 1

Answer:

1 The addition of excess air greatly lowers the formation of CO (carbon monoxide) by allowing

CO to react with O2. ( 2 ] Blue flame {3] Non-combustible substances are those which do not readily burn in the presence of air or oxygen to produce heat and light.

1

Answer 2

Answer:

The main source of proteins are