Combustion
1)The chemical process in which a substance reacts with oxygen to give off heat is called

2)Liquefied Petroleum Gas or LPG burns very quickly producing a lot of heat. This is called .

3)When white phosphorous is left out in the open at room temperature for some time, it burns all by itself. This is called

4)The burning of crackers produces a large amount of heat, light and sound because of chemical reaction. This type of combustion is called .

5)The lowest temperature at which a substance catches fire is called its

6)A matchstick is made of a mixture of antimony trisulphide and potassium chlorate mixed with a little bit of

7)Which one of the following is combustible?
  

8)The substance used to extinguish fire involving electricity is
  

9)Combustion is a ___.
  

10)When clothes of a person catch fire, His Body is Covered with blanket to
  


  


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