Which One of the Following Statements Is Not Correct

question 21

Multiple Choice

Which one of the following statements is not correct?

• A)Dry ice subliming is a physical change.
• B)Methanol burning is a chemical reaction.
• C)Sugar dissolving in water is a physical change.
• D)Bleaching your hair is a chemical change (reaction), even though it changes your physical appearance.
• E)Liquid water turning into steam is a chemical reaction.

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Definitions:

Cost Formula

An equation or method used to determine the total cost of producing goods or services, combining fixed costs, variable costs, and sometimes semi-variable costs.

Variable Selling Expenses

Costs that vary directly with the volume of sales, such as commissions and shipping fees.

Contribution Margin

The amount remaining from sales revenue after variable expenses have been deducted, indicating how much revenue is available to cover fixed expenses and to contribute to profit.

Variable Administrative Expenses

Costs that vary in proportion to changes in an organization's activity level, such as sales commissions.