Which of the Following Sets of Elements or Compounds Are

question 62

Multiple Choice

Which of the following sets of elements or compounds are used to reduce iron(III) oxide (Fe2O3) to impure iron in a blast furnace?

• A) Hydrogen(g)and carbon(s)
• B) Chlorine(g)and carbon dioxide(g)
• C) Carbon(s)and carbon monoxide(g)
• D) Calcium silicate(s)and calcium oxide(s)
• E) Carbon dioxide(g)and calcium oxide(s)

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Definitions:

Output

The total amount of goods or services produced by a company, industry, or economy within a specified period.

Fixed Costs

Expenses that do not change with the volume of output, such as rent, salaries, and insurance premiums.

Variable Costs

Expenses that vary directly with the amount of production output.

Total Costs

Total costs encompass the sum of all expenses incurred in the production of goods or services, including fixed and variable costs.