State whether the following are physical or chemical changes.
1. Drying of wet clothes
2. Formation of curd from milk 3. Photosynthesis
4. Burning of wood
5. Dissolving salt in water
6. Bursting of firecrackers
7. Burning of coal
8. Glowing of an electric lamp 9. Rusting of iron
Answers
Answered by
2
Answer:
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Explanation:
Physical Changes: -
Dissolving sugar in water
Melting of wax
Beating Aluminium to make Aluminium foil.
Chemical Changes:-
Photosynthesis
Burning of Coal
Digestion of food
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Answered by
8
Answer:
1.physical change
2.chemical change
3.chemical change
4. chemical change
5. physical change
6. chemical change
7. chemical change
8. chemical change
9.chemical change
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