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      Which one among the following statements regarding the properties of mixtures and compounds is not correct?                                                                  [NDA]

A) A mixture shows the properties of its constituents but the properties of a compound are entirely different from its constituents

B) A mixture may be homogeneous or heterogeneous but a compound is a homogeneous substance

C) The constituents of a mixture can be separated by physical methods but those of a compound cannot be separated by physical methods

D) Energy is either absorbed or evolved during the preparation of a mixture but not in the preparation of a compound