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Subjects
Science State Board
Class 10
Types of chemical reactions
Types of chemical reactions
1.
Chemical reactions in everyday life
Exercise condition:
3
m.
1
.
Breaking old bonds and making new bonds occur in chemical reactions.
False
True
2
.
Iron, when exposed to water or air, it forms a reddish-brown coating called rust.
True
False
3
.
Bond formation absorbs energy.
True
False
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