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When quicklime (calcium oxide, CaO) is added to water, it undergoes an exothermic reaction, producing calcium hydroxide (slaked lime, Ca(OH)₂). The reaction can be summarized as follows: CaO + H₂O → Ca(OH)₂. This process releases heat and results in a highly alkaline solution, which can increase the pH of the water significantly.

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1w ago

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