Question

Bharath heated a closed vessel full of water. After some time he observed that the water started boiling. Later, there is no water left in the vessel.
This is a/an ___.

• A. reversible change
• B. irreversible change
• C. chemical change
• D. cannot be determined

Answer 1

The correct option is A reversible change

Reversible changes refer to changes that can be undone whereas irreversible changes refer to the changes that can't be undone.

When water is boiled into steam, it is a reversible change as the steam can be condensed and converted back into water.