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# The CMC of a given soap in water is $10^{-3}$ mol/L. A $10^{-4}$ mol/L solution of this soap in water is a

(a) lyophilic sol
(b) lyophobic sol
(c) true solution
(d) none of these

As the concentration of soap ($10^{-4} mol/L$) is less than its CMC value ($10^{-3} mol/L$), the soap in water will form a true solution.