Question

Name the type of changes taking place in the
following process.
(a) melting of wax
(b) burning of wax candle.
(c) digestion of food in food canal.
(d) photosynthasis taking place in green leaves.
(e) burning a thin strip of magnesium
dissolving powdery ash obtained on
burning magnesium strip in water.​

Answer 1

Explanation:

A) melting of wax:- Physical change

B) burning of wax candle.:- Physical change

c) Digestion of food in food canal:- Physical change

D) photosynthasis taking place in green leaves:- Physical change

E) burning a thin strip of magnesiumdissolving powdery ash obtained onburning magnesium strip in water.:- Chemical Change

Hope it helps you mate

Answer 2

Answer:

Melting of wax is a physical change. In a burning candle there are both physical and chemical changes. The burning of the solid wax to form liquid wax and the evaporation of liquid wax to form wax vapour are physical changes. The burning of wax vapour is a physical change.