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General Principles and Processes of Isolation of Elements
Extraction of Iron – Blast Furnace
2 questions from 2 papers, each with its answer.
- questions
- 2
- papers
- 2
- years asked, 2017–2026
- 2 of 10
- of General Principles and Processes of Isolation of Elements
- 6.9%
Appears in
Concepts tested
- reactions at different temperature zones
- temperature of a blast furnace
All Questions
2023 1 question
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The reaction that does not take place in blast furnace between 900 K to 1500 K in temperature range during extraction of iron is:
$Fe_2O_3+CO\rightarrow2FeO+CO_2$ occurs at 500–800 K, not 900–1500 K.
$Fe_2O_3+CO\rightarrow2FeO+CO_2$. The above reaction takes place at 500–800 K in blast furnace.
2021 1 question
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The maximum temperature that can be achieved in blast furnace is:The maximum temperature that can be achieved in a blast furnace is up to 2200 K (near the tuyeres, in the zone of combustion).