Milk of Magnesia is which type of colloid?

The correct answer is Sol.

Key Points

• Milk of magnesia is an example of Solid in liquid type colloid (sol) type of colloid.
• Milk of magnesia is a suspension of Mg(OH)2 in water.
• Milk of magnesia is a sol which means that the dispersed phase is in the solid state and the dispersion medium is in the liquid state.

Additional Information

• Aerosol is defined as a suspension system of solid or liquid particles in a gas.
• A solid sol is a colloidal solution in which both the dispersion medium (solvent) and the dispersed phase (solute) are solid.
• An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable) owing to liquid-liquid phase separation.