Classify the following as Chemical or Physical changes
Cutting of trees, melting of a butter in a pan, rusting of almirah, boiling of water to form steam, passing of electric current through water and the water breaking down into hydrogen and oxygen gases, dissolving common salt in water, making a fruit salad into raw fruits , burning of a paper and wood, growing of a plant, mixing of iron filings and sand, cooking of food, digestion of food, freezing of water and burning of a candle.
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cutting of tree, melting of butter in a pan, boiling of water, dissolving of common salt, mixing of iron fillings and sand, freezing of water - physical change
burning of paper, cooking of food, digestion of food, breaking of hydrogen and oxygen - chemical change
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