Which of the Following Is True of a Mixture

Multiple Choice

Which of the following is true of a mixture

A) A mixture is a combination of two or more substances in which the substances retain their distinct identities.
B) A mixture is a substance that cannot be separated into simpler substances by chemical means.
C) A mixture is a substance composed of atoms of two or more elements
D) A mixture must be homogeneous
E) A mixture must be heterogeneous