Metals: Extracting Iron Flashcards Preview

IGCSE Chemistry > Metals: Extracting Iron > Flashcards

Flashcards in Metals: Extracting Iron Deck (9)
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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