Question

state two type s of physical change that may take place when a substance is heated​

Answer 1

Its shape may change ..

(as in case of wax)

.

Its appearance may change (burning ofna paper)

Its identity may be lost(as in case ho heating diamond)

Answer 2

Answer:

There might be a change in its state of matter. Example -heating of water.

There There might be change in Colorado. Ex heating copper sulphate it turns blue to white.