Which of the Following Substances Is an Example of a Strong

question 18

Multiple Choice

Which of the following substances is an example of a strong electrolyte?

• A) C₆H₁₂O₆
• B) KNO₃
• C) Ag₂SO₄
• D) C₄H₁₀

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Definitions:

Optic Disk

The point of exit for the fibers of the optic nerve on the retina, lacking light-sensitive photoreceptor cells, thus creating the "blind spot".

Macula Lutae

A small, yellowish spot located near the center of the retina of the eye, responsible for high-acuity vision.

Fovea

A small depression in the retina where visual acuity is highest.

Astigmatism Test Chart

A visual tool used to assess the presence and degree of astigmatism, featuring lines or patterns to help determine visual distortions.