name a substance that when mixed with water a lot of heat is produced and the solution formed is used for whitewashing of walls
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When water is added to quicklime (calcium oxide), a lot of heat energy is produced along with calcium hydroxide
CaO + H2O --> Ca(OH)2 + heat
{Calcium oxide + water -> calcium hydroxide + heat}
Use-: The addition of water to quick lime Cao to make slaked lime Ca(OH)2 , which is used to whitewash walls is one example.
CaO + H2O --> Ca(OH)2 + heat
{Calcium oxide + water -> calcium hydroxide + heat}
Use-: The addition of water to quick lime Cao to make slaked lime Ca(OH)2 , which is used to whitewash walls is one example.
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