Which of the Following Is Considered a Chemical Change

question 45

Multiple Choice

Which of the following is considered a chemical change ?

• A) Beef is browned by heating in a skillet.
• B) A blackberry changes colors from red to black.
• C) Addition of hydrogen peroxide to an open cut produces a white liquid and fizzing.
• D) a and b
• E) all of these.

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Definitions:

Fixed Costs

Costs that remain constant regardless of the amount of production or sales, including rent, salaries, and insurance fees.

Breakeven

The point at which total costs and total revenue are equal, resulting in no net loss or gain, and everything earned beyond this point is considered profit.

Selling Price

The amount of money charged for a product or service, or the sum of values that consumers exchange for the benefits of having or using the product or service.

Margin of Safety

A financial metric that measures the difference between actual sales and the break-even point, indicating risk level.