Which of the Following Observations Is/are Examples of Physical Change $^{\circ}$

question 9

Multiple Choice

Which of the following observations is/are examples of physical change?
1) The density of water decreases when it solidifies.
2) Aluminum melts when heated above 660 $^{\circ}$ C.
3) Hydrogen peroxide (H₂O₂) decomposes to water and oxygen.

• A) 1 only
• B) 2 only
• C) 3 only
• D) 1 and 2
• E) 1,2,and 3

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Definitions:

Equivalent Annual Costs

A financial analysis method to determine the annual cost of owning, operating, and maintaining an asset over its entire life.

Use of Cash

Describes how a company spends its cash, encompassing operational expenses, investment activities, and financing activities.

Accounts Receivable

Owed sums to a corporation by its customers for commodities or services furnished or taken advantage of, with the payment still forthcoming.

Tax Shield

A reduction in taxable income for an individual or corporation achieved through claiming allowable deductions such as interest on loans.