The particles of a colloid do not settle down when left undisturbed due to their _____________.
A
stability
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B
very large particle size
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C
homogeneous nature
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D
instability
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Solution
The correct option is A stability A colloids is a heterogeneous mixture in which particles are evenly dispersed throughout the dispersion medium.
The particles in a colloid do not settle down when left undisturbed due to their continuous zig-zag motion and are able to resisit the gravitational force. This makes colloids extremely stable.