Choose the INCORRECT statement about metallurgy.
A) Roasting converts the ore to its oxide.
B) Reduction reduces the oxide to metal.
C) Carbon is often used as the reducing agent.
D) Coke or powdered coal is often used as the reducing agent.
E) Refining is the removal of metal from its ore.
Correct Answer:
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Q20: The coinage metals are copper,silver,and zinc.
Q21: Which element displays ferromagnetism?
A)Co
B)Cu
C)Ti
D)Cr
E)V
Q22: Transition group elements differ from main group
Q23: Choose the INCORRECT statement about transition elements.
A)Ferromagnetism
Q24: The phenomenon resulting from the weakly effective
Q26: Choose the INCORRECT statement about metallurgy.
A)Extractive metallurgy
Q27: Choose the INCORRECT completion of the following
Q28: The electronic transitions that take place within
Q29: Which of the following statements is true
Q30: Which of the following elements is likely
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