Detect the odd one.
Detailed Explanation:
✅ Option 1 – Ripening of fruit: This is an irreversible change (fruit cannot be un-ripened).
✅ Option 2 – Setting of cement: This is an irreversible change (cement cannot return to powder form once set).
✅ Option 3 – Burning of coal: This is an irreversible change (coal once burned cannot be recovered).
All three options represent irreversible changes, so none of them is the odd one out. Hence, Option 5 (None of the above) is correct.
Question 2 of 4 States of Matter
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