Which base is present in milk of magnesia?

Options

A. Calcium hydroxide
B. Ammonium hydroxide
C. Magnesium hydroxide
D. Sodium hydroxide

Explanation

To determine which base is present in milk of magnesia, we can follow these steps:

**Step 1: Understand what milk of magnesia is.**
Milk of magnesia is a common name for a suspension of magnesium hydroxide in water.

**Step 2: Identify the chemical formula.**
The chemical formula for milk of magnesia is Mg(OH)₂. This indicates that it contains magnesium ions (Mg²⁺) and hydroxide ions (OH⁻).

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