Mineral Deposits (Known as Soap Scum)can Be Removed from Your

question 26

Multiple Choice

Mineral deposits (known as soap scum) can be removed from your bathtub by reacting with vinegar.This changes the soap scum to a new compound that more easily washes away.This process does not change the soap scum's state of matter.The removal of soap scum by the addition of vinegar:

• A) involves both chemical and physical changes.
• B) involves only chemical changes or processes.
• C) involves only physical changes or processes.
• D) cannot be done with the materials listed.

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Definitions:

Congenital Defect

A physical or biochemical problem that is present at birth and may be caused by genetic factors or by prenatal events that are not genetic.

Iron Dextran

A medication used to treat iron deficiencies and anemia, administered intravenously or intramuscularly.

Iron-Deficiency Anemia

A form of anemia caused by a lack of sufficient iron to produce healthy red blood cells.

Formed Elements

The cells and cell fragments in the blood, including red cells, white cells, and platelets, essential for bodily functions.