defination reversible and irreversible change
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reversible change is physical change
irreversible change is chemical change
irreversible change is chemical change
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" Reversible changes "
They are also known as physical changes.
In this change only physical properties of matter are changed.
These changes are generally reversible.
This change can be reversed simply by changing the temperature or pressure of the matter.
They generally never releases energy.
Example :
1. Melting of ice.
2. Changing of chalk into chalk powder.
" Irreversible changes "
They are also known as chemical changes.
In this chemical properties of the substance get changed.
This change is generally irreversible.
They released energy.
Example :
1. Cooking of food
2. Digestion of food.
They are also known as physical changes.
In this change only physical properties of matter are changed.
These changes are generally reversible.
This change can be reversed simply by changing the temperature or pressure of the matter.
They generally never releases energy.
Example :
1. Melting of ice.
2. Changing of chalk into chalk powder.
" Irreversible changes "
They are also known as chemical changes.
In this chemical properties of the substance get changed.
This change is generally irreversible.
They released energy.
Example :
1. Cooking of food
2. Digestion of food.
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