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Subjects
Science State Board
Class 10
Types of chemical reactions
Types of chemical reactions
7.
Decomposition reaction
Exercise condition:
2
m.
1
.
The source of energy required to decompose a substance in an electrolytic decomposition reaction is _________.
electrical energy
light energy
air
heat energy
2
.
\(CaCO_3+Heat→CaO+CO_2\) is a __________ decomposition.
compound to compound/compound
compound to compound/element
compound to element/element
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