combustion and flames class 8 summary
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Combustion: The process of burning a substance in the presence of air (oxygen) and undergoes a chemical reaction to produce heat and light. The substances which burn in air are called combustible. Oxygen (in air) is essential for combustion. ... The substances which vaporise during burning give flames.
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Answer:
The process of burning a substance in the presence of air (oxygen) and undergoes a chemical reaction to produce heat and light. The substances which burn in air are called combustible. Oxygen (in air) is essential for combustion. ... The substances which vaporise during burning give flames.
Explanation:
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