3 examples of colour change of chemical reaction
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Copper reacts with oxygen, H2O and CO2 to give copper carbonate, which changes colorfrom brown to blue or blue green. Rusting, blackening of surfaces of cut vegetables and fruits are other examples of change ofcolor in a chemical reaction.
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Burning wood.
Souring milk.
Mixing acid and base.
Digesting food.
Cooking an egg.
Heating sugar to form caramel.
Baking a cake.
Rusting of iron.
Souring milk.
Mixing acid and base.
Digesting food.
Cooking an egg.
Heating sugar to form caramel.
Baking a cake.
Rusting of iron.
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