Chemistryhard · Past Paper
In the extraction of Iron, the temperature in the Hearth (bottom part of the blast furnace) is approximately:
A500°C
B1000°C
C1500°C
D2500°C
✓ Correct Answer: C — 1500°C
The hearth is the hottest part of the blast furnace, reaching around 1500°C to 1600°C to keep the iron and slag molten.
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