Belgian process is used for the extraction of:

C u

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A g

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Z n

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F e

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Solution

The correct option is D $Z n$
The Belgian process requires redistillation to remove impurities of lead, cadmium, iron, copper, and arsenic from zinc ore.

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Similar questions

P b, A u, M g, S n, F e, A l, A g, H g, N a, Z n, C u, C a

The standard reducation potentials of

$Z n^{2 +} | Z n, C u^{2 +} | C u$ and $A g^{+} | A g$

are respectively -0.76, 0.34 and 0.8 V. The following cells were constructed.

a) $Z n | Z n^{2 +} | | C u^{2 +} | C u$

b) $Z n | Z n^{2 +} | | A g^{+} | A g$

c) $C u | C u^{2 +} | | A g^{+} | A g$

What is the correct order $E {^{0}}_{c e l l}$ of these cells?

F e, Z n, N a, C u, A g

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