Which Substance Is Commonly Found in Nature in an Uncombined

question 17

Multiple Choice

Which substance is commonly found in nature in an uncombined form?

• A)aluminum
• B)iron
• C)platinum
• D)tin

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Definitions:

Reaction

A process in which substances (reactants) are converted into different substances (products) with new physical and chemical properties.

Below

Generally used to indicate something in a lower position or level. In scientific contexts, could also relate to being lesser in degree or extent.

Acetyl Chloride

A colorless, volatile compound used as an acylating agent in organic synthesis, characterized by the presence of an acetyl group attached to a chloride.

Cyclopentanol

A cyclic alcohol, characterized by a five-membered ring structure bearing a single hydroxyl group.