What Element Is Undergoing Oxidation (If Any)in the Following Reaction

question 29

Multiple Choice

What element is undergoing oxidation (if any) in the following reaction?
2 HCl(aq) + Ca(OH) ₂(aq) → 2 H₂O(l) + 2 CaCl₂(aq)

• A) H
• B) Cl
• C) Ca
• D) O
• E) This is not an oxidation-reduction reaction

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Definitions:

Cost Variance

The difference between the expected (budgeted) cost of an activity and its actual cost.

Standard Cost

A predetermined cost serving as a benchmark for evaluating the actual cost performance of activities.

Actual Cost

The actual expenses incurred in producing a product or delivering a service, including all direct labor, materials, and overhead costs.

Materials Price Variance

The difference between the actual cost of materials purchased and the standard cost of those materials.