Melting of ice, Revesible change, Blowing of balloon, Reversible change, Baking of roti, Irreversible change, Rusting of iron, Irreversible change, Ammonia formation, Chemical change, Growth of a plant, Slow chane, Sun rise and sunset, natural and Periodic change, Condensation, Chande of water vapour to liquid, Water cycle, Reversible change, Burning of coal, Exothermic reaction

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