Question

Physical and Chemical Changes
​

Answer 1

Answer:

Physical Changes:-Those changes in which no new substances are formed, are called physical changes. The changes in state, size, shape and colour of a substance are physical changes. The properties such as state, size, shape and colour of a substance are called its physical properties.

Chemical Changes:-A change in which a substance undergoes a change in its chemical properties is called a chemical change. New substances are formed.