Question

Some substances can be obtained in pure state from their solutions by crystallisation. Exercises 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 of food State whether the following statements are true or false. In case 1​

Answer 1

Answer:

It is true Part A (Digestion of food State whether the following statements are true or false. -true)