Question

What is self reduction process​

Answer 1

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In self reduction, the sulphide ores of less electropositive metals are heated in air so as to convert a part of the ore into oxide or sulphate which then reacts with the remaining part of the sulphide ore in absence of air to give the metal and sulphur dioxide.

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Answer 2

In self reduction, the sulphide ores of less electropositive metals are heated in air so as to convert a part of the ore into oxide or sulphate which then reacts with the remaining part of the sulphide ore in absence of air to give the metal and sulphur dioxide.

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