4. METALLURGY Flashcards
1
Q
Which of the following metals
has an ore called Galena?
A
Lead
Sulphide ore
2
Q
Dolomite is an ore of which of
the following metals
A
Calcium
3
Q
Corundum is an ore of:
A
Aluminium
Crystalline form of Aluminium oxide
4
Q
Which among the following is a
copper mineral
A
Azurite
5
Q
Pyrolusite is an ore of
A
Manganese
6
Q
Cuprite is the ore of
A
Copper
7
Q
Ore of iron are
A
Haematite, Magnetite, Siderite
8
Q
Ores of Gold
A
calaverite, sylvanite, nagyagite, petzite and krennerite.
9
Q
Ores of Mercury
A
cinnabar, metacinnabar, corderoite, living stoneite
10
Q
According to a law postulated by
______, the amounts of different
substances liberated by the same
quantity of electricity passing through
the electrolytic solution are
proportional to
their chemical equivalent weights.
A
Micheal Faraday
