writ two observation of the reaction CaO+H₂O→Ca(OH)₂
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it is a redox reaction in which both hydrogen and oxygen are added
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Answer:The reaction between calcium oxide (CaO) and water (H2O) to form calcium hydroxide Ca(OH)2 is an exothermic combination reaction.
This is because: Calcium oxide reacts with water to form slaked lime Ca(OH)2 which means the oxides of calcium combine with molecules of free molecules of O- and H+
This reaction generates a lot of heat accompanied with hissing sound and thus is stated to be exothermic.
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