explain by using flowchart of extraction of metals.
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Answer:
General Principles and Processes of Isolation of Elements
Extraction of Crude Metal from Concentrated Ore
The following flow chart re...
CHEMISTRY
The following flow chart represents the extraction of _______.
Froth flotation
↓
Roasting
↓
Smelting
↓
Bessemerization
↓
Electrolytic refining
MEDIUM
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VIDEO EXPLANATION
ANSWER
1) Froth floatation
For froth flotation, the ground ore is mixed with water to form a slurry and the desired mineral is rendered hydrophobic by the addition of a surfactant or collector chemical (although some mineral surfaces are naturally hydrophobic, requiring little or no addition of collector).
2) Roasting
2CuFeS
2
+O
2
→Cu
2
S+2FeS+SO
2
2Cu
2
S+3O
2
→2Cu
2
O+2SO
2
3)Smelting
Cu
2
O+FeS→Cu
2
S+FeO
4) Bessemerization
2Cu
2
S+3O
2
→2Cu
2
O+2SO
2
2Cu
2
O+Cu
2
S→6Cu+SO
2
5)Electrolytic Refining
In refining copper, an aqueous solution of copper(II) sulphate is electrolyzed, using impure copper as the anode and pure copper as the cathode.
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