The size of colloidal particles is between (a) \( 10^{-7}-10^{-4} \...

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The size of colloidal particles is between
(a) \( 10^{-7}-10^{-4} \mathrm{~cm} \)
(b) \( 10^{-9}-10^{-11} \mathrm{~cm} \)
(c) \( 10^{-5}-10^{-7} \mathrm{~cm} \)
(d) \( 10^{-2}-10^{-3} \mathrm{~cm} \)
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