The size of colloidal particles varies from:

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(A) The size of colloidal particles is intermediate between true solutions and suspensions. The range of particle size for colloids is typically $1 \

Vedclass · Accepted Answer

$10^{-9} \ m$ to $10^{-7} \ m$

Vedclass · Answer

(A) The size of colloidal particles is intermediate between true solutions and suspensions. The range of particle size for colloids is typically $1 \ nm$ to $1000 \ nm$. Converting this to meters: $1 \ nm = 10^{-9} \ m$ and $1000 \ nm = 10^{-6} \ m$. Among the given options,the range $10^{-9} \ m$ to $10^{-7} \ m$ (which is $1 \ nm$ to $100 \ nm$) represents the standard colloidal range. Therefore,the correct option is $A$.

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