General Science - Physics (Basics)
Which of the following changes is irreversible?
Which of the following changes is irreversible?
easy Q12 of 15
Step-by-Step Solution
Step 1: Understand reversibility
Physical changes like boiling, dissolving, and freezing are generally reversible.Step 2: Identify irreversible change
Burning of paper produces new substances (ash, gases) and cannot be reversed.Final Answer:
Burning of paper → Option AQuick Check:
Irreversible change = Burning of paper ✅
Quick Trick: Irreversible changes form new substances.
Common Mistakes:
MISTAKES- Assuming dissolving or boiling are irreversible.
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