Which of the following everyday actions represents a reversible change?

Which of the following everyday actions represents a reversible change?
  1. Burning a wooden matchstick
  2. Making curd from milk
  3. Inflating a rubber balloon without bursting it
  4. Frying an egg

Solution

Releasing air from an inflated balloon restores it to its original unexpanded state, making it a reversible change.

Asked in: Homi Bhabha Practice

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