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Question
Classify the following as reversible or irreversible change.
a) Growth of a plant
b) Cooking of food
c) Melting of wax
d) Formation of curd from milk
e) Pulling of rubber string
Classify the following as reversible or irreversible change.
a) Growth of a plant
b) Cooking of food
c) Melting of wax
d) Formation of curd from milk
e) Pulling of rubber string
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Solution
- Reversible changes are those in which the original substance can be recovered after the change occurs.
- Irreversible changes are those in which the original substance cannot be recovered after the change occurs.
a) Growth of a plant - Irreversible change
b) Cooking of food - Irreversible change
c) Melting of wax - Reversible change
d) Formation of curd from milk - Irreversible change
e) Pulling of rubber string - Reversible change
- Reversible changes are those in which the original substance can be recovered after the change occurs.
- Irreversible changes are those in which the original substance cannot be recovered after the change occurs.
a) Growth of a plant - Irreversible change
b) Cooking of food - Irreversible change
c) Melting of wax - Reversible change
d) Formation of curd from milk - Irreversible change
e) Pulling of rubber string - Reversible change
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