Question: The ethanol-water mixture has an azeotrope, this means that: 
 Options:  <1> From a certain concentration, the two liquids are immiscible. <2> The mixture has a minimum co-solution temperature. <3> Both components comply with Raoult's law. <4> The mixture is frozen at a single temperature. <5> Once the azeotropic composition is reached, the two liquids can not be separated by distillation.
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