Circle the odd-one out giving appropriate reason.
Reversible change, temporary change,
Permanent change, glowing of an electric bulb.
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The odd one out is glowing of an electric bulb.
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Odd one out among options is - Permanent change
•In the options, reversible change is a type of change where equilibrium constant for forward and backward reaction is equal.
•Thus reactions can undergo forward and backward process.
•Example - conversion of hydrogen and iodine to hydrogen iodide.
•Temporary changes are reversible changes. Product can go back to its original form. Example melting of ice.
•Glowing bulb involves lighting up of filament on passage of current.
•There is no chemical change involved as no redox reaction occurs over filament. Thus, it is also temporary change.
•Permanent change involves reaction where product can not be converted back into it's original form. Example growth of plant from seed.
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