Which of the Following Is a Sign of the Presence

question 9

Multiple Choice

Which of the following is a sign of the presence or absence of the concept that one is studying?

• A)Indicator
• B)Concept
• C)Direct observable
• D)Indirect observable
• E)Dependent variable

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Definitions:

Compound

A substance formed when two or more chemical elements are chemically bonded together, distinct from mixtures.

UV-visible Spectrum

The absorption or reflectance spectrum in the ultraviolet and visible light region that is used to identify chemical substances.

Aromatic Hydrocarbons

Compounds made up of hydrogen and carbon that contain a planar ring of continuously overlapping p-orbitals, known for their stability and unique chemical behavior.

IR Spectrum

A graphical representation of the infrared light absorption of a substance, used to identify chemical bonds and functional groups within a molecule.