Which One of the Following Substances Is Classified as a Chemical

question 25

Multiple Choice

Which one of the following substances is classified as a chemical compound?

• A) Ir
• B) He
• C) Ho
• D) HI
• E) In

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Definitions:

Carbohydrate

Class of organic compounds that typically contain carbon, hydrogen, and oxygen in a 1:2:1 ratio; includes the monosaccharides, disaccharides, and polysaccharides.

Hydrolysis

A chemical reaction involving the breaking of a bond in a molecule using water, common in the digestion of nutrients.

Fatty Acids

Long-chain hydrocarbons found in fats and oils, serving as major sources of energy, components of cell membranes, and precursors for bioactive signaling molecules.

Glycerol

A simple polyol compound that forms the backbone of triglycerides, which are the main constituents of body fat in humans and other animals.