Curriculum
Course: Alhussan Chemistry — Stage 9
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Curriculum

Alhussan Chemistry — Stage 9

Chapter 10: Structure, Bonding, and Properties

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Chapter 11: Patterns in the Periodic Table

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Chapter 12: Chemical Reactions 3 and Rates

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Chapter 13: Planet Earth and Continental Drift

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Quiz

12.4 Extracting metals — Visual & Photo Quiz

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  • Questions count: 1
  • Passing grade: B+
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1.
Look at the industrial blast furnace diagram used for iron extraction. What substance acts as the reducing agent that removes oxygen from hematite (Fe₂O₃)?
Dr Dabour Hub Academy - figure 1
Carbon monoxide (CO) produced by burning coke (carbon)
Liquid nitrogen
Pure chlorine gas
Limestone rock only
Part of Chapter 12: Chemical Reactions 3 and Rates — see every lesson and quiz in this unit.
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