1.

Ramya says dissolving quicklime in water is exothermic reaction, Sudha says this is a combinationreaction. Whom do you support. Analyse the reason.CCE

Answer»

Because it's a exothermic reaction in which heat energy is evolved. Simply, when water is added to quicklime ( calcium oxide), a lot of heat energy is produced - That's why it starts boiling.

CaO + H2O. -----> Ca(OH)2 + heat



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