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प्रश्न
Describe the roles of the following: SiO2 in the extraction of copper from copper matte
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उत्तर
In the extraction of copper from copper matte, SiO2 is used to remove iron oxide as slag
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संबंधित प्रश्न
The process of leaching alumina, using sodium carbonate is called
- Bayer's process
- Decomposition
- Cyanide process
- Hall's process
Silica is added to roasted copper ore during smelting process to remove _______.
(A) ferrous sulphide
(B) ferrous oxide
(C) cuprous sulphide
(D) cuprous oxide
Name the method used for refining of copper metal.
Draw a neat, well labelled diagram of electrolytic cell for extraction of aluminium
Copper has the face centred cubic structure. The coordination number of each ion is:
What happens when a nickel rod is dipped into a copper sulphate solution? Justify your answer.
[\[\ce{E{^{\circ}_{Ni^{+2}/Ni}}}\] = − 0.25 V and \[\ce{E{^{\circ}_{Cu^{+2}/Cu}}}\] = +0.34 V]
Give the uses of zinc.
Identify a mineral for the major source of boron from the following list?
Which of the following is not ore of aluminium?
Extraction of zinc from zinc blende is achieved by:-
