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प्रश्न
The Brownian movement is due to ______.
विकल्प
temperature fluctuations within the liquid phase
attraction and repulsion between charges on the colloidal particles
impact of the molecules of the dispersion medium on the colloidal particles
convective currents
MCQ
रिक्त स्थान भरें
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उत्तर
The Brownian movement is due to impact of the molecules of the dispersion medium on the colloidal particles.
Explanation:
The Brownian movement occurs because molecules of the dispersion medium continuously collide with the colloidal particles from all sides, but these collisions are unequal in frequency and force. This causes the particles to move in a random zig-zag manner. This movement prevents the particles from settling under opposing gravity, thus stabilizing the colloidal system.
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