What is the chemical formula for calcium hydroxide also known as slaked lime?
A
CaO
B
CaCO3
C
Ca(OH)2
D
CaCl2
Correct Answer: Option C — Ca(OH)2
Explanation:
Calcium hydroxide Ca(OH)2 also called slaked lime is made by adding water to quicklime CaO and is used in construction water treatment and to neutralise acidic soils.