Question : A substance which readily forms colloidal solution in contact with water is called
Option 1: Extrinsic colloid
Option 2: Associated colloid
Option 3: Hydrophobic colloid
Option 4: Hydrophillic colloid
Correct Answer: Hydrophillic colloid
Solution : The correct option is Hydrophillic colloid.
A hydrophilic colloid, often referred to as a lyophilic colloid, is a form of colloid in which the dispersed phase (colloidal particles) has a significant affinity for the dispersing medium (typically water). In other words, these colloidal particles are highly attracted to water molecules and, when combined with water, quickly create stable colloidal solutions or dispersions. Common examples of hydrophilic colloids include gelatin, starch, proteins like albumin, and natural substances like gum arabic and pectin. These substances can form stable colloidal solutions in water.
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