Which of the following is used as a reducing agent in the process of extracting zinc from zinc oxide?
A
Coke
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B
Water
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C
Electricity
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D
Hydrogen
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Solution
The correct option is A Coke As zinc is less reactive than carbon we can use coke to extract it from zinc oxide. We can use electrolytic reduction to extract metals from their ores for highly reactive metals like sodium and magnesium.