Which one of the following impurities present in colloidal solution cannot be removed by electrodialysis?

Which one of the following substances form a colloidal solution in water-

Statements : The separation of insoluble impurities form a colloidal solution requires dialysis . Expabnations : The ionic impurites present in collidal solution are separated by electrodialysis .

Which one of the following is not a colloidal solution?

Which one of the following is not a colloidal solution ?

Which one of the following is not a colloidal solution?

One of the impurities present in bauxite is.