define reversible and irreversible change
Answers
Answer:
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Reversible and irreversible reactions are different. A reversible change is a change that can be undone or reversed. If you can get back the substances you started the reaction with, that's a reversible reaction. A reversible change might change how a material looks or feels, but it doesn't create new materials.
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Explanation:
the change which can be reversed by reversing the conditions called a reversible change
some reversible changes are
conversation of ice into water by heating and of water to ice on cooling
glowing of an electric bulb
stretching of a rubber band
the change which cannot be reversed even by changing the conditions is called and Irreversible change
for example burning of paper, wood etc -paper when burnt give Ash and smoke we cannot obtain people back from the Ash and the smoke
ageing of living things- we cannot make an old man, child by any method
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