6.- Select the better explanation why the proteins of milk precipitate when you

Question

6.- Select the better explanation why the proteins of milk precipitate when you add an acid or heat it. a.-adding an acid will diminish the charge of the colloidal particle and the z potential diminishing the colloidal stability b- adding an acid will help reaching the isoelectric potential and decreasing the z potential diminishing the colloidal stability and the heating will increase the hitting of the particles increasing their size and increasing the flocculation c.-the heating will increase the hitting of the particles increasing the size of the colloidal particles and increasing the flocculation. d. adding an acid will increase the charge and the z potential diminishing the colloidal stability e.-the heating will increase the hitting of the particles diminishing the size of the colloidal particles and increasing the flocculation

Explanation / Answer

Here the answe is option (b).

Increasing size of the colloidal particles decreases the zeta potential value. After isoelectric point has reach the zeta potential value decreases.

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