PHYSICAL CHANGES: breaking of glass , peeling a fruit , freezing an egg, cutting of firewood , mixing of vinegar and black pepper , shredding paper, melting of ice , smoke coming from a boiling kettle , breaking a bottle, crushing a can, CHEMICAL CHANGES: curding of milk, baking of bread, rusting of nails, firework display, digesting food , cooking an egg , rusting iron , mixing an acid and a base , burning a candle , mixing baking soda and vinegar,

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