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Taken from science 1 masterkey
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Both NAOH AND CAO when dissolved separately in water NAOH dissolves realising heat resulting in rise in temp this is called exothermic reaction .When CAO dissolves in water CA(OH)2 is formed and heat is evoled
It is also and exothermic reaction
Difderence Aqueous sol of NAOH is a strong alkali
CA(OH)2 is a weak alkali
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