1.

Give one example of a combination reaction which is also exothermic.

Answer»

Solution :When quicklime or calcium oxide (CaO) reacts with water, slaked LIME `[Ca(OH)_(2)]` is formed. During this reaction a large amount of heat is released. So, this reaction is an EXOTHERMIC reaction.
`UNDERSET(("Quicklime"))underset("Calcium oxide")(CaO(s))+underset("Water")(H_(2)O(L))rarrunderset(("Slaked lime"))underset("Calcium hydroxide")(Ca(OH)_(2)(aq))+"Heat"`


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