Which of the Following Is NOT Associated with the Production

question 86

Multiple Choice

Which of the following is NOT associated with the production of iron from iron ore in blast furnaces?

• A)Iron ore, coke, and limestone are used.
• B)Solid by-products collect on top of molten iron, which is removed from the bottom of the reaction vessel.
• C)Molten iron crystallizes at its melting point of 1538C in a bcc structure but then undergoes a phase transition at around 1390C to an fcc structure.
• D)Limestone (CaCO₃) decomposes to form lime (Ca
• O), which can react with silica impurities (SiO₂) in the iron ore.
• E)The carbon content is reduced by heating the impure molten iron in a second furnace to temperatures above 1600C.

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Definitions:

Limited

Restricted in size, amount, or extent; not extensive or expansive.

Aesthetic Totality

The concept in art and aesthetics that a work of art is a complete and unified whole that evokes a harmonious and comprehensive experience.

Nonmoral Evil

Harm, suffering, or misfortune that is not the result of human actions and lacks moral dimension, such as natural disasters.

Deserves to Suffer

The notion that an individual's actions can warrant suffering as a just or appropriate consequence.