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Subjects
Science CBSE
Class 6
Changes around us
Changes and it's classifications
5.
Changes in substances
Exercise condition:
4
m.
Match the column A with column B
:
Column A
Column B
1
.
New substances are not formed
Irreversible change
Contraction
Expansion
Reversible change
2
.
Rusting of iron is a good example
Expansion
Irreversible change
Contraction
Reversible change
3
.
This phenomenon occurs on heating a metal
Expansion
Irreversible change
Contraction
Reversible change
4
.
Railway track in winter is a good example
Contraction
Irreversible change
Expansion
Reversible change
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