Which of the Following Is Not an Oxidation?reduction Reaction?
A) $\ell$

question 34

Multiple Choice

Which of the following is not an oxidation?reduction reaction?

• A) CaCO₃(s) ? CaO(s) + CO₂(g)
• B) 2 Na(s) + Br₂(g) ? 2 NaBr(g)
• C) Fe(s) + 2 HCl(aq) ? FeCl₂(aq) + H₂(g)
• D) 2 C(s) + O₂(g) ? 2 CO(g)
• E) 2 H₂O( \(\ell\) ) ? 2 H₂(g) + O₂(g)

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Definitions:

Reservoirs for Pathogens

Environments or hosts that maintain and allow the transmission of disease-causing organisms.

Immunizations

The process by which a person becomes protected against a disease through vaccination.

Well-Balanced Diet

A diet that contains the correct proportions of carbohydrates, fats, proteins, vitamins, and minerals for optimal health and function.

Epidemic

The rapid spread of an infectious disease to a large number of people within a short period of time, geographically localized.