Question

Explain the action of concentrated sulphuric acid on sugar. Classify the change

involved in this process as a physical or a chemical change with a reason.​

Answer 1

Explanation:

sify 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

Answer:

Physical Changes: -

Dissolving sugar in water

Melting of wax

Beating Aluminium to make Aluminium foil.

Chemical Changes:-

Photosynthesis

Burning of Coal

Digestion of food