Question

Please answer the following question ​

Answer 1

Answer:

Combustion is a chemical reaction between substance ,usually oxygen and usually accompanied by the generation of heat and light in the form of flam"

it's common example lighted match ,When match is struck ,friction heat the head to a chemicals at Wich chemical reacts ,more heat burns with flam.

2.Rapid combustion

In this combustion substance burns rapidly and produce heat and light with the help of external heat. e.g LGP

b) in this combustion substance burns spontanously and produce heat and light without any external heat ..

example. phosphorous burns spontanously at room temperature..

Explanation:

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