Combustion and ...

The lowest temperature at which a substance starts burning is called its:

In foam type fire extinguisher, _______ is responsible to put off fire.

Which type of fire extinguisher is used to extinguish fire caused by burning oil and petrol?

Match column 'A' with column 'B', concerning the characteristics of a flame and its zones.

All fuels undergo combustion. Identify the fuel which undergoes slow combustion on burning.

Look at the given figures.
From the given figures, it is observed that the flame goes off on placing a lid over the flame. What inference can be made from the observation?

Combustion is a ________ reaction accompanied by heat and light.

Why are the spirit and kerosene lamps made in such a way that the free end of the wicks with the flame remains totally cut off from the fuel?

Nitrogen dioxide reacts with water to give :

Which one of the following is used as clean fuel?