NDA 2023 GAT · General Knowledge · Chemistry in Everyday Life · hard

The chemical formula of slaked lime is

Single correct option

A. CaO
B. CaCO3
C. CaCl2
D. Ca(OH)2

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Answer: (D) Ca(OH)2

Quicklime (CaO) reacts with water to give slaked lime, Ca(OH)2, releasing a lot of heat. CaCO3 is limestone and CaCl2 is a chloride salt. Slaked lime is used in whitewashing and in treating acidic soil.

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