Which of the following is an example of smelting?
A) 2 PbS(s) + 3 O2(g) 2 PbO(s) + 2 SO2(g)
B) 4 PbCO3(s) + O2(g) 2 Pb2O3(s) + 4 CO2(g)
C) PbCO3(s) + SiO2(s) PbSiO3(l) + CO2(g)
D) PbCO3(s) PbO(s) + CO2(g)
E) ZnO(s) + CO(g) Zn(l) + CO2(g)
Correct Answer:
Verified
Q33: Which of the following is an example
Q34: Roasting is
A) forming metal parts using heat
Q35: Pyrometallurgy is the
A) refining of metal ores
Q36: Identify the ferromagnetic elements.
A) cobalt
B) iron
C) nickel
D)
Q37: Which of the following is an example
Q39: Smelting is
A) heating an ore, in the
Q40: Which substance is the best conductor of
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
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