contestada

Based on the methods used to separate the substance into its parts, is Substance U a compound?
A)No, it is a mixture, because physical methods were used to separate its parts
No,B)it is a mixture, because chemical methods were used to separate its parts
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C)Yes, is a compound, because physical methods were used to separate its parts
D) Yes, it is a compound, because chemical methods were used to separate its parts