What Is the Oxidation Number of the Calcium in CaO

question 80

Multiple Choice

What is the oxidation number of the calcium in CaO?

• A) +2
• B) - 2
• C) - 3
• D) +1
• E) none of these

---

Definitions:

Gauze Bandage

A thin, woven fabric used in wound care for dressing wounds, applying pressure, or supporting injured parts of the body.

Opaque Fluid

A fluid that is not transparent or translucent; it cannot be seen through due to its density or coloration.

Transparent Film

A thin, clear dressing used to cover and protect wounds, allowing visual inspection without removal.

Nursing Assistive Personnel

Health care workers who support nurses in providing basic care activities, often including monitoring vital signs and assisting with daily living activities.