Why is $Fe(OH)_3$ colloid positively charged when prepared by adding $FeCl_3$ to hot water?
- ADue to adsorption of $Cl^-$ ions.
- BDue to adsorption of $Fe^{3+}$ ions.
- CDue to adsorption of $OH^-$ ions.
- DDue to adsorption of $H^+$ ions.
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