On heating, sodium and sulphur can be melted. Molten sodium and molten sulphur are used ?
A
For refining lead
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B
As a medium for extracting metals
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C
As catalysts
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D
As electrodes in a modern kind of battery
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Solution
The correct option is D As electrodes in a modern kind of battery Molten sodium and molten sulphur are used as electrodes in modern kind of battery because of high capacity and stable cyclic performance and stability.]
They have highly active molten electrode.
Cathode typically made of molten sulphur and anode is sodium.