Question

Dominic made the table below to organize his notes about mixtures. A 1-column table. The first column labeled properties of mixtures. Row 1 says: has no set composition. Row 2 is must have more than one state of matter. Row 3 is must have more than one substance. What mistake did Dominic make? A. The title should read “Properties of Solutions” because some mixtures do not have all of the properties listed. B. There is a definite recipe to make each mixture, so the composition of a mixture is set. C. Although it is possible to have more than one state, it is also possible to have only one state. D. A single substance can be used to make a mixture if the substance is composed of more than one element.

Answer 1

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Answer 2

Dominic incorrectly stated that mixtures must have a definite recipe, and their composition is set. Option B

Dominic makes a mistake in choice B when he says, quite wrongly, that mixtures need to have a specific recipe, which implies a predetermined composition. By definition, mixtures have different component proportions because they don't have a fixed makeup. Mixtures, whether homogeneous or heterogeneous, can have any composition.

Dominic is misrepresenting the dynamic nature of mixtures, where different chemicals can coexist in varying quantities and provide unique qualities within the same category. This highlights the intrinsic unpredictability in mixture composition.