Choose the INCORRECT statement about metallurgy.
A) Extractive metallurgy is the removal of metals from their ores.
B) Concentration is the separation of ore from waste rock.
C) One method of concentration is flotation.
D) Roasting converts an ore to its sulfide.
E) Roasting involves heating the ore to a high temperature.
Correct Answer:
Verified
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
Q25: Choose the INCORRECT statement about metallurgy.
A)Roasting converts
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
Q31: Which of the following metals form compounds
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