what are irreversible physical change and reversible chemical change ? give two example of each.
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Like, turning of water into ice is an example of reversible changes but growth in height is an irreversible change. Chemical changes are changes that occur in the chemical properties of the substance like its flammability, radioactivity, etc. All chemical changes are irreversible changes.
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reversible change : can be changed back to the original form. example : water to ice and vice versa, freezing milk then melting it back
irreversible change : cannot be changed back to the original form. example : burning of coal, cutting paper
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