Multiple Choice
Which of the following statements correctly distinguishes mixtures from compounds?
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1. Intro to General Chemistry
Classification of Matter
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Almost everything around us is made of chemicals. If something is not made of chemicals, what is it most likely considered?
A
A pure substance
B
A compound
C
A mixture of elements
D
Energy, such as light or heat
Verified step by step guidance1
Understand that chemistry deals with matter, which is anything that has mass and occupies space, and is made up of chemicals (elements, compounds, or mixtures).
Recognize that if something is not made of chemicals, it means it is not matter, so it cannot be classified as a pure substance, compound, or mixture.
Recall that energy (such as light or heat) is not matter; it does not have mass or occupy space, so it is not made of chemicals.
Therefore, when something is not made of chemicals, it is most likely considered a form of energy rather than a substance.
Summarize that energy (like light or heat) is distinct from chemical substances because it is not composed of atoms or molecules.
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