ScienceCLASS 7CBSE
answered 27 Mar 2026Classify the changes involved in the following processes as physical or chemical changes. (a) Photosynthesis (b) Dissolving sugar in water (c) Burning of coal (d) Melting of wax (e) Beating aluminium to make aluminium foil (f ) Digestion of food
A.VERIFIED ANSWERfact-checked by tutors
Solution:
- a) Chemical change
- b) Physical Change
- c) Chemical change
- d) Physical Change
- e) Physical Change
- f) Chemical change