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Question
Identify the endothermic and exothermic reaction.
\[\ce{CaO + H2O -> Ca(OH)2 + Heat}\]
Options
Exothermic reaction
Endothermic reaction
Solution
\[\ce{CaO + H2O -> Ca(OH)2 + Heat}\]- Exothermic reaction
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While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
