Q. The electrical charge on colloidal particles is due to

कोलॉइडी कणों पर विद्युत आवेश किसके कारण होता है?

Preferential adsorption of ions
आयनों का अधिमान्य सोखना

Friction between particles
कणों के बीच घर्षण

Ionization of particles
कणों का आयनीकरण

All of these
इन सब

Charge arises from different processes including adsorption of ions, friction (triboelectric effect), and ionization.

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