Give the highest oxidation number of manganese.
A) +3
B) +4
C) -5
D) +7
E) +8
Correct Answer:
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Q47: Give the highest oxidation number of chromium.
A)
Q48: Electrometallurgy is
A) refining of metal ores using
Q49: Identify the metal most commonly used for
Q50: Why does a "two-phase" structure occur in
Q51: Identify the normal crystal structure at room
Q53: Identify the normal crystal structure at room
Q54: Give the components of bronze.
A) copper and
Q55: Give the components of brass.
A) copper and
Q56: Match the following.
Q57: Why is zinc used to coat steel
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