The process in which ores are changed into oxides by heating strongly in limited air is known as:

Galvanisation

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Roasting

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Calcination

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Electrolytic refining

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Solution

The correct option is C
Calcination

The process in wnich ores are changed into oxides by heating strongly in limited air is known as Calcination.

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The process in which ores are changed into oxides by heating strongly in limited air is known as:

The correct option is C CalcinationThe process in wnich ores are changed into oxides by heating strongly in limited air is known as Calcination.

The correct option is C
Calcination

The process in wnich ores are changed into oxides by heating strongly in limited air is known as Calcination.