Physical Change : Boiling : : Chemical Change : ________.

The chemical change is ________.

The chemical change is _____

Boiling of water is a physical change, but boiling of egg is a chemical change. Why?

Physical mutagens :X-rays:: Chemical mutagens:______.

Is rotting fruit a chemical change?

Why is spoiling of food a chemical change?

Assertion : The explosion of fire cracker is a physical change. Reason : A physical change is a reversible change.

Assertion (A) : The explosion of fire cracker is a physical change. Reason (R) : A physical change is a reversible change.