Which One of the Following Is a Redox Reaction

question 103

Multiple Choice

Which one of the following is a redox reaction?

• A) 2Na(g) + Cl₂(g)  2NaCl(s)
• B) Ba²⁺(aq) + SO₄^2-(aq)  BaSO₄(s)
• C) K₂Cr₂O₇(aq) + 2KOH(aq)  2K₂CrO₄(aq) + H₂O(l)
• D) Na₂CO₃(s) + 2HCl(aq)  2NaCl(aq) + CO₂(g) + H₂O(l)
• E) H₂O(l)  H⁺(aq) + OH^-(aq)

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Definitions:

FreshCase Packaging

A packaging technology designed to extend the shelf life of perishable goods such as meats through vacuum sealing and specialized materials.

Vacuum Package

A packaging method that involves removing air from a package and sealing it to extend the shelf life of its contents, protect against spoilage, and reduce volume.

Red Meat

Red meat refers to the meat of mammals, which is typically darker in color than poultry due to higher levels of myoglobin, often including beef, pork, and lamb.

BioFuel Energy

Energy produced from organic materials or biomass, offering a sustainable alternative to fossil fuels.