Which of the Following Is an Oxidation-Reduction Reaction

question 95

Multiple Choice

Which of the following is an oxidation-reduction reaction?

• A) CaCl₂ + Na₂SO₄ → CaSO₄ + 2NaCl
• B) KOH + HNO₃ → H₂O + KNO₃
• C) N₂ + O₂ → 2NO
• D) AgNO₃ + NaCl → AgCl + NaNO₃
• E) Al₄(SO₄)₃ + 6KOH → 2 Al(OH)₃ + 3K₂SO₄

---

Definitions:

Skewed Right

A distribution of data where the right tail (larger values) is longer than the left tail, indicating that the majority of data points are located on the left side.

Symmetric Histogram

A graphical representation of the distribution of data where the left and right sides of the histogram are mirror images of each other.

Relative Frequency Distribution

A representation that shows the proportion or percentage of observations within a dataset that fall within particular intervals or categories.

Relative Frequency Histogram

A type of histogram that displays the proportion or percentage of observations within various categories or intervals.