Chemistry

Gaseous mixtures:

(A) can only contain isolated atoms
(B) can only contain molecules
(C) must contain both isolated atoms and molecules
(D) are all homogeneous
(E) are all heterogeneous

Is the correct answer, (D), are all homogeneous?

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  1. A gas mixture in a container may start heterogeneous but the constant, random motion of the molecules in it will make it homogeneous in a very short time.

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