Tag: metallurgy
Questions Related to metallurgy
Magnetic ceramics or ferrites contain compounds of iron. These have been used:
Which of these compounds does not exist?
In which of the following pair(s), the minerals are converted in to metals by self-reduction process?
Of the following reduction processes :
I. $Fe _2O _3\, +\, C\, \rightarrow\, Fe$
II. $ZnO\, +\, C\, \rightarrow\, Zn$
III. $Ca _3(PO _4) _2\, +\, C\, \rightarrow\, P$
IV. $PbO\, +\, C\, \rightarrow\, Pb$
Correct processes are :Which of the following steps are involved in hydrometallurgical process?
Which of the following can be obtained by hydrometallurgy :
Formation of metallic copper from the sulphide ore in the normal thermo-metallurgical process essentially involves which one of the following reaction?
Match the column I with column II and mark the appropriate choice.
Column I | Column II | ||
---|---|---|---|
(A) | Electrical industry | (i) | Zinc |
(B) | Batteries | (ii) | Steel |
(C) | Gutter pipes | (iii) | Copper |
(D) | Gas stove | (iv) | Cast iron |