S.No.ChangeCan be reversed (Yes/No)1.The sawing of a piece of wood2The melting of ice candy3Dissolving sugar in water4The cooking of food5The ripening of a mango6Souring of milk"">

Some changes are listed in the following table. For each change, write in the blank column, whether the change can be reversed or not.
S.No.ChangeCan be reversed (Yes/No)
1.The sawing of a piece of wood
2The melting of ice candy
3Dissolving sugar in water
4The cooking of food
5The ripening of a mango
6Souring of milk
"


S.No.ChangeCan be reversed (Yes/No)

1.

2

3

4

5

6

The sawing of a piece of wood

The melting of ice candy

Dissolving sugar in water

The cooking of food

The ripening of a mango

Souring of milk

No

Yes

Yes

No

No

No

Extra information: A change is an act or a process of becoming different.

Reversible Changes are those changes that can be reversed easily to form the 'original substance'. 

Properties of reversible change: 

It is a temporary change. The chemical properties of a substance are not affected by a reversible change. Most physical changes are reversible changes in nature.

 For example, ice melts into water, and water freezes to form ice.

Irreversible changes are those changes where materials cannot be changed back to its original form. 

For example, the burning of paper, and rusting of iron, etc.

Properties of irreversible change: 

It is a permanent change. The chemical properties of the substance change. All chemical changes are irreversible changes.

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Updated on: 10-Oct-2022

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