Multiple Choice
Which of the following sets of elements or compounds are used to reduce iron(III) oxide (Fe2O3) to impure iron in a blast furnace?
A) Hydrogen(g) and carbon(s)
B) Chlorine(g) and carbon dioxide(g)
C) Carbon(s) and carbon monoxide(g)
D) Calcium silicate(s) and calcium oxide(s)
E) Carbon dioxide(g) and calcium oxide(s)
Correct Answer:
Verified
Correct Answer:
Verified
Q41: Which of the following coordination compounds will
Q57: Consider the ions Co<sup>2+</sup>,Mn<sup>2+</sup>,and Fe<sup>3+</sup>.Which among them
Q58: Which of the following species have geometric
Q59: How many geometric isomers may exist for
Q60: EDTA<sup>4-</sup>,a hexadentate ligand,is most effective at chelating
Q61: Identify the orbital shown below. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7480/.jpg"
Q64: In which one of the following is
Q65: The only compound containing copper in an
Q66: Which of the following ions is responsible
Q67: All of the following statements concerning ligand