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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Whelan Whelan
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9 years ago
What chemical equation represents the best method for obtaining pure chromium?
A) FeCr2O4(s) + 4 C(s) + heat → Fe(s) + 2 Cr(s) + 4 CO(g)
B) Cr2O3(s) + 2 Al(s) + heat → 2 Cr(s) + Al2O3(s)
C) Cr2O3(s) + 2 Fe(s) + heat → Fe2O3(s) + 2 Cr(s)
D) Cr2+(aq) + H2(g) → Cr(s) + 2 H+(aq)
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
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hbutler2hbutler2
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9 years ago
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Whelan Author
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9 years ago
Brilliant ツ
rene_ram97
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Yesterday
Good timing, thanks!
Shuqin
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2 hours ago
this is exactly what I needed
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