What is the common name of calcium hydroxide?

Subject: General Science

Topic: Chemical Reactions and Equations

Options:

1. Option A: Quick lime
2. Option B: Slaked lime
3. Option C: Lime water
4. Option D: Limestone

Correct Answer:

Option B: Slaked lime

Explanation:

The reaction is: CaO(s) + H2O(l) → Ca(OH)2(aq) + Heat. (Quick lime) (Slaked lime). Calcium hydroxide is commonly known as slaked lime. Its solution is called lime water.