Classify the changes involved in the following processes as physical or chemical changes: Photosynthesis Dissolving sugar in water Burning of coal Melting of wax

[AmarCBSE]

1. Classify the changes involved in the following processes as physical or chemical changes:
2. Photosynthesis
3. Dissolving sugar in water
4. Burning of coal
5. Melting of wax

Answer:

1. Chemical change
2. Physical change
3. Chemical change
4. Physical change