Phosphoric Acid Is the Most Important of the Phosphorus Oxoacids

question 21

Multiple Choice

Phosphoric acid is the most important of the phosphorus oxoacids. Industrially, phosphoric acid is prepared by

• A) the Ostwald process.
• B) the Haber process.
• C) the reaction of phosphate rock with sulfuric acid.
• D) the reaction of P₄O₁₀ with water.
• E) the Frasch process.

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Definitions:

Specific Identification Method

An inventory valuation method where costs are directly assigned to individual units of inventory, enabling precise profit margin calculations.

Inventory Valuation

The method used to determine the cost associated with an inventory at the end of a financial period, which affects cost of goods sold and, consequently, net income.

Net Income

The net income of a company following the deduction of all taxes and expenses from the gross revenue.

FIFO Cost Flow

An inventory valuation method in which the costs of the earliest goods purchased are the first to be recognized in determining cost of goods sold.