Which of the Following Changes Is NOT Correctly Labeled as a Chemical

question 75

Multiple Choice

Which of the following changes is NOT correctly labeled as a chemical reaction or a change of state?

• A) rust forming on metal, a chemical reaction
• B) steam coming off of a cup of coffee, a change of state
• C) an ice cube melting in a drink, a change of state
• D) the combustion of gasoline to give carbon dioxide and water, a chemical reaction
• E) bubbles forming in a just-opened can of soda, a chemical reaction

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Definitions:

Fixed Cost

Costs that remain unchanged regardless of the level of production or sales activity, such as rent, salaries, and insurance premiums.

Relevant Range

The span of activity or volume over which the assumptions about fixed and variable cost behaviors hold true for a specific business.

Fixed Cost

Costs that remain constant and do not vary with the level of business activity, including expenses like rent, salaries, and insurance.

Variable Cost

Expenses that change in proportion to the production output or sales of a company, such as raw materials and labor costs.