To prevent magnesium from oxidation in electrolytic extraction process

Some calcium fluoride is added

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Some chlorides are added

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Metal is taken out by spoons

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The whole process is done in an atmosphere of coal gas

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Solution

The correct option is D
The whole process is done in an atmosphere of coal gas

Solution- To prevent magnesium from oxidation in electrolytic extraction process, the whole process is done in an atmosphere of coal gas

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(e) Name an allotrope of a non-metal that allows electricity to pass through it.

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