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Byju's Answer
Standard VII
Chemistry
Combination Reaction
Question 9Wha...
Question
Question 9
What does one mean by exothermic and endothermic reactions? Give examples.
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Solution
The chemical reactions that release heat energy are called exothermic reactions.
Example:
C(g)
+
O
2
(g)
→
CO
2
(g)
+
Heat Energy
The chemical reactions in which heat energy is absorbed are called endothermic reactions.
Example:
CaCO
3
Heat
→
CaO
+
CO
2
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Question 9
What does one mean by exothermic and endothermic reactions? Give examples.
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What does one mean by exothermic and endothermic reactions? Give examples.