What type of change is melting of butter?, Physical change, Name one change that happens quickly., Burning of paper, Is dissolving sugar in water a physical or chemical change?, Physical change, What kind of change is rusting?, Chemical change, Does a chemical change form a new substance?, Yes, Name one reversible change., Freezing of water, What type of change is cutting paper?, Physical change, Name one slow change., Rusting of iron, Is cooking of food reversible?, No, What type of change is formation of curd from milk?, Chemical change, Which change shows no new substance formation?, Physical change, Name one periodic change., Day and night, Does melting change the shape of a substance?, Yes
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Chapter 5: Changes Around Us -revision
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Nagarajanp
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