This chapter is currently out of syllabus
1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
During the process of electrolytic refining of copper, some metals present as impurity settle as ‘anode mud’ These are
A
Sn and Ag
B
Pb and Zn
C
Ag and Au
D
Fe and Ni
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following ores is best concentrated by froth – floatation method?
A
Magnetite
B
Malachite
C
Galena
D
Cassiterite
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Aluminium is extracted by the electrolysis of
A
bauxite
B
alumina
C
alumina mixed with molten cryolite
D
molten cryolite
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The metal extracted by leaching with a cyanide is
A
Mg
B
Ag
C
Cu
D
Na
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