The Product of the Oxidation of Iron in Most Soil

question 75

Multiple Choice

The product of the oxidation of iron in most soil in the absence of excess oxygen is black magnetite.The chemical formula of this compound is ____.

• A) FeO
• B) FeO₂
• C) Fe₂O₃
• D) Fe₃O₂
• E) Fe₃O₄

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Definitions:

Source Reduction

Efforts made to reduce the amount of waste created by altering the design, manufacture, or use of products and materials.

Financial Base

The underlying financial resources or assets that support an individual, organization, or project.

Long Term Contracts

Agreements that extend over a considerable period, typically involving the delivery of goods or services, to secure stable supply, pricing, or partnership terms.

Reverse Marketing

A strategy where the consumer influences the supplier of a good or service, rather than the traditional supplier-to-consumer dynamic.