Which of these an irreversible change
burning of a matchstick
inflating tyres
lighting a bulb
inflating a balloon
When matchstick is burnt its chemical composition changes which cannot be brought back to its original position.
Which of the following is an irreversible physical change?
Categorize these changes as reversible or irreversible changes.
What are irreversible changes? Which of the two - the melting of ice and growth of a plant - is an irreversible change?