The resulting products in the case of incomplete combustion of methane due to insufficient supply of oxygen are
For combustion to take place, we need
To extinguish a flame, which of these methods is used?
The combustion in which a material bursts into flames without the application of heat is called
Which of these material represents spontaneous combustion?
Which of these is a solid pollutant?
SPM, also called dangerous pollutants, means
The coldest zone of flame is –––– zone.
In which zone is carbon monoxide burns with a blue colour at the base of the wick?
The SI unit of calorific value is
The calorific value of petrol is
A fuel is considered good if it
Burning of magnesium is an example of which combustion?
The most commonly used fire extinguisher is soda-acid fire extinguisher. Cylinder is filled with a solution of
Which of these is gaseous fuel?