Which of These Oxides Is Most Basic

question 74

Multiple Choice

Which of these oxides is most basic?

• A) CO₂
• B) K₂O
• C) Al₂O₃
• D) MgO
• E) Na₂O

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Definitions:

Malleus

A tiny ossicle located in the middle ear that conveys sound waves from the tympanic membrane to the anvil.

Stapes

The smallest bone in the human body, located in the middle ear, transmitting sound vibrations from the middle ear to the inner ear.

Incus

An anvil-shaped small bone in the middle ear that transmits sound vibrations from the malleus to the stapes.

Scala Tympani

A coiled, fluid-filled tube within the inner ear, part of the cochlea, that transmits sound vibrations to the auditory nerve.