Question

4. Biowing a balloon is a physical and reversible change. When the balloon bursts, it is also a
physical change. Give more examples of physical change.
5. Torji blows air into a red balloon and then squeezes out the air from it. Explain why it is a
physical change.

guys plz help me​

Answer 1

Answer: blowing a balloon is a physical change as when you blow a balloon the balloon expands but the balloon remains a balloon .there is change in Blowing a balloon is a physical change because only the size of the balloon changes , no change in chemical properties of the balloon occurs (no new substance is formed).

Explanation: