The origin of charge on colloidal solution is

1.	The origin of charge on colloidal solution is
Answer» Frictional rubbing Electron capture during bredig's arc method Selective adsorption of ION on their surface It is due to ADDITION of protective colloids Solution :(a), (b) and (C) are correct, (d) is incorrect, LYOPHOBIC sols are stabilized by addition of protective colloid.

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