UNIT – 6 : Combustible and flame

ACTIVITY= Combustible and Noncombustible substances

AIM = Combustible and Noncombustible substances

CONCEPT= A  chemical process in which a substance reacts with oxygen to give off heat is called combustion.

PROCEDURES=

1.       Collect some materials like straw , matchsticks ,kerosene oil , paper , iron nails , stone pieces , glass , etc.

2.       Under the supervision of your teacher try to burn each of these materials one by one .

3.       If combustion takes place mark the material combustible, otherwise mark it as non-combustible(table).

 

Table combustible and non combustible  substance.


try this by your own knowledge.

Material

combustible

Noncombustible

Wood

 

 

Paper

 

 

Iron nails

 

 

Kerosene oil

 

 

Straw

 

 

Charcoal

 

 

Matchsticks

 

 

Glass

 

 

Stone piece

 

 

             

OBSERVATION: some materials are combustible and some are non combustible.