Each Element and Compound Is a Pure Substance

question 115

Multiple Choice

Each element and compound is a pure substance. However, most materials are neither single elements nor single compounds. Instead, they are mixtures of these simple substances, with one substance mingled with another. Thus, gasoline is a mixture of hydrocarbons and additives blended together to achieve efficient combustion. Loretta Jones and Peter Atkins, Chemistry: Molecules, Matter, and Change, 4^th ed.

• A) Nonargument.
• B) Argument, conclusion: They are mixtures ... one substance mingled with another.
• C) Argument, conclusion: Most materials are neither ... nor single compounds.
• D) Argument, conclusion: Each element and compound is a pure substance.
• E) Argument, conclusion: Gasoline is a mixture ... achieve efficient combustion.

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Definitions:

Operations

The day-to-day activities necessary for a business to function, including production, sales, and administration.

PP&E

Property, Plant, and Equipment - tangible long-lived assets used in the normal course of business to produce goods and services.

Sale Of Land

This transaction involves the disposal of land owned by an entity, which can affect the financial statements through gains or losses.

Investing Activities

Transactions involving the purchase and sale of long-term assets and other investments not considered cash equivalents, as referred to in a company's cash flow statement.