Question
What are the differences between reversible changes and irreversible changes?
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S.No.
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Reversible changes
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Irreversible changes
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$1.$
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A change which can be undone or reversed.
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A change which cannot be undone or reversed.
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$2.$
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It is a temporary change.
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It is a permanent change.
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$3.$
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Melting and folding are examples of it.
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Burning and cooking of food are examples of it.
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S.No.
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COLUMN $I$
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S.No.
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COLUMN $II$
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$A.$
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A moving wheel of a $(i)$ Sewing machine.
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$i.$
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Circular motion.
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$B.$
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Movement of tip of the minute hand of a clock in one hour.
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$ii.$
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Rotational motion.
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$C.$
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A moving swing.
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$iii.$
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Periodic motion.
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| Column $I$ | Column $II$ |
| $(i)$ $TREMAT$ | $(a)$ Objects can be seen clearly through it |
| $(ii)$ $ULSBELO$ | $(b)$ Occupies space and has mass |
| $(iii)$ $TNERPASNART$ | $(c)$ Shiny surface |
| $(iv)$ $ERUSTL$ | $(d)$ Mixes completely in water |