Roasting Is ________

question 23

Multiple Choice

Roasting is ________.

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

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Definitions:

Direct Labor

The wages of those persons whose efforts directly affect the quality or other characteristics of the products manufactured.

Raw Materials

Basic materials used in the manufacturing process to produce finished goods, not yet processed or used in production.

Selling And Administrative Costs

Expenses related to the selling of products and the administrative aspects of a business, excluding production costs.

Direct Labor Costs

The expenses that a company incurs through the wages paid to workers directly involved in manufacturing goods or providing services.