My Learning Cart

In the extraction of iron, what is the role of limestone?

Practice Questions

Q1
In the extraction of iron, what is the role of limestone?
  1. To act as a reducing agent
  2. To remove sulfur
  3. To form slag
  4. To increase temperature

Questions & Step-by-Step Solutions

In the extraction of iron, what is the role of limestone?
  • Step 1: Understand that iron is extracted from iron ore in a blast furnace.
  • Step 2: Know that iron ore contains impurities that need to be removed.
  • Step 3: Learn that limestone is added to the blast furnace during the extraction process.
  • Step 4: Realize that limestone reacts with the impurities in the iron ore.
  • Step 5: Understand that this reaction forms a substance called slag.
  • Step 6: Know that slag is lighter than molten iron and floats on top.
  • Step 7: Recognize that the slag can be easily removed, taking the impurities with it.
No concepts available.
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely