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NCERT VI Social Sciences Give examples to explain the differences between changes that can or cannot be reversed. |
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Answer» like burning of paper or plucking of leaves cannot be reversed (we cannot MAKE paper from its ASHES / we cannot join a plucked leaf BACK to the PLANT)and hence known as irr-reversible change (chemical change).CHANGES like changing of ice into water or changing of water into vapour can reversed (by codensation and evaporation process) and hence are known as reversible change (physical change). |
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