Which Is NOT a Chemical Reaction That Occurs in a Blast

question 3

Multiple Choice

Which is NOT a chemical reaction that occurs in a blast furnace in the production of iron?

• A) CaCO₃(s) → CaO(s) + CO₂(g)
• B) 3Fe₂O₃(s) + CO(g) → 2Fe₃O₄(s) + CO₂(g)
• C) 2FeO(s) + CO(g) → Fe₂O₃(s) + C(s)
• D) Fe₃O₄(s) + CO(g) → 3FeO(s) + CO₂(g)
• E) FeO(s) + CO(g) → Fe(l) + CO₂(g)

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Definitions:

Population Mean

The average value of a set of characteristics in the entire population, calculated by summing all values and dividing by the number of observations in the population.

Normal Population

A population that follows a normal distribution, characterized by a bell-shaped curve.

Confidence Interval

A spectrum of values obtained from sampled data that is probable to encompass the value of a yet-to-be-determined population parameter.

Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of data values.