1.
Fire is a bad master if it is
2.
Fire is our
3.
The fuels available in natural form are:
4.
Fire brigade is:
5.
Fire can be:
6.
The temperature at which every fuel bums is called:
7.
When carbon and hydrogen are combined with oxygen, they:
8.
Man's first experience of fire could be: 
9.
Lowering the temperature below the flash point:
10.
When the energy is released in the form of heat and light, it is: