Q. Classify the following into physical and chemical change.
Burning of paper, photosynthesis, breaking a glass
tumbler, sublimation of camphor, curdling of milk,
cooking of food, melting of butter, drying of wet
clothes, freezing of water.
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Answer:
physical changes: freezing of water, drying of wet clothes,melting of butter, breaking of glass.
Chemical changes: burning of paper, photosynthesis, tumbler, sublimation of camphor, curdling of milk, cooking of food.
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Answer:
Burning of paper: Chemical Change
Photosynthesis: Chemical Change
Breaking of a glass tumbler: Chemical Change
Sublimation of Camphor: Physical Change
Curdling of milk: Chemical Change
Cooking of food: Chemical Change
Melting of butter: Physical Change
Drying of wet clothes: Physical Change
Freezing of water: Physical Change
Explanation:
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