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Subjects
Science State Board
Class 8
Changes around us
Chemical reaction and its conditions
1.
Exothermic and endothermic changes: Choose the best options
Exercise condition:
2
m.
Choose the correct answers:
1
.
Condensation is an example for ___________ change.
exothermic chemical change
exothermic physical change
2
.
The change in heat energy during the reaction is known as __________.
entropy
enthalpy
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