Multiple choice

Which of the following statements is correct?

  1. Rolling of a ball of dough to make roti is a reversible change.

  2. Dissolving of salt in water is a chemical change.

  3. Explosion of crackers is a physical change.

  4. The melting of ice lolly is an irreversible change.

  5. Evaporation of water is an irreversible change.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This statement is correct. This would become irreversible if it were cooked but now it iws reversible as it is just a physical change.  

Keep practicing — related questions