Identify the metal used as a coating for steel objects such as nails.
A) gold
B) silver
C) zinc
D) palladium
E) manganese
Correct Answer:
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Q41: Powder metallurgy is
A) refining of metal ores
Q42: Leaching is
A) melting an ore and separating
Q43: Identify the metal used in jet engine
Q44: What is the difference between ferromagnetism and
Q45: Which of the following is an example
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
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