Which of the following is a colloid?

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Question

(C) colloid is a heterogeneous system in which one substance is dispersed as very fine particles in another substance.Sugar solution,urea solution,and

Vedclass · Accepted Answer

Silicic acid

Vedclass · Answer

(C) colloid is a heterogeneous system in which one substance is dispersed as very fine particles in another substance.Sugar solution,urea solution,and $NaCl$ solution are true solutions because the solute particles are completely dissolved and form a homogeneous mixture.Silicic acid $(H_4SiO_4)$ forms a colloidal sol in water because the particles are of colloidal dimensions ($1 \ nm$ to $1000 \ nm$).

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