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Which of the following process is used i...

Which of the following process is used in the extractive metallurgy of magnesium ?

A

Fused salt electrolysis

B

Self- reduction

C

aqueous solution electrolysis

D

Thermite reduction

Text Solution

Verified by Experts

The correct Answer is:
A
Highly electropositive metals `(e.g.,` alkali and alkaline earth metals and `Al)` are extracted by the electrolysis of their fused salts.
Cathode `: Mg^(2+)+2e rarr Mg`
Anode `: 2Cl^(-) rarr Cl_(2)+2e`
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