Question

Physical and chemical changes.
Observe the changes around
you and categorise them in
physical and chemical changes.​

Answer 1

Answer:

As the names suggest, a physical change affects a substance's physical properties, and a chemical change affects its chemical properties. Many physical changes are reversible (such as heating and cooling), whereas chemical changes are often irreversible or only reversible with an additional chemical change.

Answer 2

Answer:

first you observe than write