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Classify the changes involved in the following processes as physical or chemical changes: Photosynthesis Dissolving sugar in water Burning of coal Melting of wax
CBSE Class 7
CBSE Class 7 Science
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AmarCBSE
March 23, 2018, 2:30pm
1
Classify the changes involved in the following processes as physical or chemical changes:
Photosynthesis
Dissolving sugar in water
Burning of coal
Melting of wax
Answer:
Chemical change
Physical change
Chemical change
Physical change