Metals: Extracting Iron Flashcards
1
Q
What is the main ore of iron?
A
Hematite (Iron III Oxide)
2
Q
What is the temperature at the bottom and top of the furnace?
A
1500 degrees celsius
250 degrees celsius
3
Q
What are the raw materials involved in extracting iron? (4)
A
hematite, air, coke, limestone
4
Q
What is the main reducing agent in extracting iron?
A
carbon monoxide
5
Q
What kind of reaction is coke burning hot air?
A
exothermic - heat released keeps furnace heated
6
Q
Describe the process of extracting iron (5)
A
.
7
Q
Write all of the equations involved in extracting iron (6)
A
.
8
Q
What is slag?
A
calcium silicate
9
Q
What is solid slag used in?
A
road building
