🔴Oxidation:- chemical reaction of oxygen with a matter at slow rate, without the application of external heat, example:-rusting of iron, oxidation of coal

🔵 combustion:- Chemical reaction of oxygen with matter with application of external heat resulting evolution of heat and 💡 light,
Example:-Burning of coal,

🔵 💥 Explosion :- Combustion with high intensity, characterised by violence
Example:- firedamp explosion, coal dust explosion.

🔴 detonation:- explosion of high intensity such that the whole reaction completes within a fraction of second
Example:- explosion of explosive



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