___ is used as the reducing agent to extract highly reactive metals like sodium, potassium and calcium from their ores.

Electricity

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Carbon monoxide

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Water

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Carbon

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Solution

The correct option is A Electricity
Electricity is used as the reducing agent to extract highly reactive metals like sodium, potassium and calcium from their ores.
Metals which are more reactive than carbon cannot be extracted by using carbon as reducing agent.

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Similar questions

Give reasons

(a) Platinum, gold and silver are used to make jewellery.

(b) Sodium, potassium and lithium are stored under oil.

(d) Carbonate and sulphide ores are usually converted into oxides during the process of extraction.

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