CBSE Class 9 Answered

These all are types of colloids.

a)When dispersed phase is liquid and dispersion medium(solvent) is also liquid the colloidal solution is called emulsion.

b)When dispersed phase is liquid and dispersion medium(solvent) is solid  the colloidal solution is called gel.

c)When dispersed phase is solid and dispersion medium(solvent) is gas the colloidal solution is called aerosol.

d)When dispersed phase is solid and dispersion medium(solvent) is liquid the colloidal solution is called sol.

e)When dispersed phase is solid and dispersion medium(solvent) is solid the colloidal solution is called solid sol.