NCERT Solutions For Class 7 Science Chapter 6 Exercise
NCERT Solutions For Class 7 Science Chapter 6 Exercise Chapter 6 – Physical and Chemical Changes 1. Classify 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 … Read more