Question

Mixtures are very different from compounds. Mixtures can be physically separated into different components and compounds cannot be physically separated. Which of the following is NOT a mixture?
A.
saltwater
B.
air
C.
soil
D.
sugar
GPT-4o mini
D. sugar is NOT a mixture. Sugar (sucrose) is a compound, which means it is made up of specific chemical elements (carbon, hydrogen, and oxygen) that are chemically bonded together. The other options—saltwater, air, and soil—are all mixtures, as they consist of different substances that can be physically separated.

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