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  4. The size of particles, in suspension true solution and colloidal solution, varies in the order:

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Q. The size of particles, in suspension true solution and colloidal solution, varies in the order:

Delhi UMET/DPMTDelhi UMET/DPMT 2002

Solution:

Particle size of suspension is more than $10^{-7} m$.
Particle size of colloid is between $10^{-9}$ and $10^{-7} m$.
Particle size of true solution is less than $10^{-9} m$.
$\therefore $ Correct order of particle size is suspension > colloidal solution $>$ true solution