A) Spontaneous combustion takes place without any apparent cause.
B) The luminous zone of a flame has high temperature.
C) Carbon dioxide gas causes global warming.
D) The calorific value of a fuel is expressed in \[kJ/k{{g}^{-1}}.\]
Correct Answer: B
Solution :
St is not the luminous zone but the non- luminous zone of the flame that has a very high temperature.
You need to login to perform this action.
You will be redirected in
3 sec
