General Science • ChemistryMedium
What is the chemical formula of the compound commonly known as slaked lime?
A. Calcium oxide
B. Calcium hydroxide✓ Correct Answer
C. Calcium carbonate
D. Calcium sulfate hemihydrate
💡 Solution & Explanation
Slaked lime is calcium hydroxide, formed by adding water to quicklime, which is calcium oxide. Calcium carbonate occurs naturally as limestone, marble, and chalk. Calcium sulfate hemihydrate is known commercially as plaster of Paris. Aqueous solutions of calcium hydroxide are widely utilized in construction and agriculture to neutralize acidic soils.
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