The "steric stabilization" of colloids is achieved by:
Coating colloidal particles with charged ions
Adsorbing a layer of stabilizing agents on colloidal particles
Applying an electric field to the colloid
Reducing the temperature of the colloid
Steric stabilization involves the adsorption of long-chain molecules or stabilizing agents onto the surface of colloidal particles, creating a steric barrier that hinders their aggregation.
Hence option 2 is correct.
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