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In the extraction of iron, what is the role of limestone?
In the extraction of iron, what is the role of limestone?
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Practice Questions
1 question
Q1
In the extraction of iron, what is the role of limestone?
To act as a reducing agent
To remove sulfur
To form slag
To increase temperature
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Limestone is added to form slag, which helps remove impurities during the extraction of iron.
Questions & Step-by-step Solutions
1 item
Q
Q: In the extraction of iron, what is the role of limestone?
Solution:
Limestone is added to form slag, which helps remove impurities during the extraction of iron.
Steps: 7
Show Steps
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.
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