Question

Which of the following changes can be reversed?

• A. Raw Egg to Boiled Egg
• B. Wet Clothes To Dry Clothes
• C. Bud to Flower
• D. Cow Dung to Biogas

Answer 1

The correct option is B

Wet Clothes To Dry Clothes

Explanation for correct option:

(B) Wet clothes to dry clothes

Reversible changes:

• Any changes which can be reversed or are a temporary conversion.
• Physical changes are generally reversible.
• Examples of physical changes are Melting, freezing, boiling water etc.

Wet clothes to dry clothes is a reversible change.

Explanation for incorrect options:

Irreversible changes:

• Irreversible changes are permanent changes.
• Chemical changes are generally irreversible changes.
• Examples of irreversible changes are Cooking food and the Formation of water from Hydrogen as well as Oxygen.

The changes like a raw egg to a boiled egg, bud to flower, and cow dung to biogas are considered irreversible changes as they cannot be reversed back into their original form. Thus, options A, C, and D are incorrect.

Hence, the correct option is B i.e. Wet clothes to dry clothes.