Question 2.CC.1: Pure Substances and Mixtures Classify each of the following ......

Chemistry: An Introduction to General, Organic, and Biological Chemistry [1013382]

Pure Substances and Mixtures
Classify each of the following as a pure substance or a mixture:
a. sugar in a sugar bowl
b. a collection of nickels and dimes
c. coffee with milk and sugar

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a. Sugar is a compound, which is a pure substance.
b. The nickels and dimes are physically mixed, but not chemically combined, which makes the collection a mixture.
c. The coffee, milk, and sugar are physically mixed, but not chemically combined, which makes it a mixture.

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