Smelting Is ________

question 27

Multiple Choice

Smelting is ________.

• A) heating an ore in the presence of oxygen or another substance to purify the ore and obtain the liquid metal
• B) selectively dissolving a metal in solution to separate it from its ore
• C) the process of heating an ore to drive off volatile compounds
• D) heating an ore in the presence of oxygen or another substance to cause a chemical reaction that drives off newly formed volatile compounds
• E) forming metal parts using heat and small crystals of metal

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Definitions:

Talents and Abilities

Inherent skills and capacities that individuals possess, which can be developed and applied to various tasks or activities.

Productivity

The measurement of the efficiency of a person, machine, factory, system, etc., in converting inputs into useful outputs.

Smelters

Facilities where metal is extracted from its ore through a process involving heating and melting.

Bureaucracy

A formal organization in which each person has specific duties and responsibilities and is assigned to only one supervisor.