Which Is the Most Acidic Oxide

question 33

Multiple Choice

Which is the most acidic oxide?

• A) SO₂
• B) Al₂O₃
• C) CaO
• D) PbO
• E) H₂O

---

Definitions:

Delayed Development

A slower than typical progression in the physical, cognitive, emotional, or social growth of a child.

South Pacific

A geographic region encompassing the southern part of the Pacific Ocean, including islands and countries like Fiji, Tonga, and Samoa.

Private Speech

Self-directed speech by individuals, especially children, serving as a tool for thinking and self-regulation.

Children's Development

The physical, cognitive, emotional, and social growth that occurs from infancy through adolescence.