For the production of metallic chromium at high temperatures, which is NOT an appropriate choice for the metal M?Cr2O3(s) + 3M(l) → 2Cr(l) + 3MO(s)
A) Mg
B) Sn
C) Ca
D) Cu
E) Sr
Correct Answer:
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Q75: Which is NOT a chemical reaction that
Q76: Which mineral is not a carbonate?
A) Witherite
B)
Q77: Which mineral is a silicate?
A) Cinnabar
B) Corundum
C)
Q78: Which ion is not found in sea
Q79: What is the chemical formula for cinnabar?
A)
Q81: A(n) _ is a solid solution either
Q82: Bauxite (Al2O3 • 2H2O) ore is the
Q83: _ is the metallurgy procedure carried out
Q84: The _ process is a fractional distillation
Q85: A mineral deposit concentrated enough to allow
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