Which Substance Does Not Undergo Oxidation or Reduction in the Reaction

question 3

Multiple Choice

Which substance does not undergo oxidation or reduction in the reaction below?
Pb + PbO₂ + 2H₂SO₄ → 2PbSO₄ + 2H₂O

• A)Pb
• B)H₂SO₄
• C)PbO₂
• D)PbSO₄
• E)The reaction above is not a redox reaction

---

Definitions:

Steep Slope

A landform with a sharp incline, often challenging to navigate or build upon.

Motor Skills

These are abilities that allow for movement and coordination of the muscles and the body, key for performing tasks from simple to complex.

Sensorimotor Intelligence

A stage of Jean Piaget's theory of cognitive development where infants learn about their world through their senses and motor activities.