The transition metal __________ is present in vitamin B12.
A) nickel
B) titanium
C) cobalt
D) zinc
E) chromium
Correct Answer:
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Q121: Name the careful heat treatment of metals
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Q123: Consider the pseudo-octahedral complex of Cr3+ shown
Q124: How many unpaired electrons are found in
Q125: How many unpaired electrons are found in
Q127: Which of the following materials is added
Q128: Which of the following ligands are capable
Q129: Define stereoisomerism.
Q130: How many unpaired electrons are found in
Q131: Pig iron usually contains about 5%:
A)aluminum
B)oxygen
C)sodium
D)sulfur
E)carbon
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