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प्रश्न
What chemical process is used for obtaining a metal from its oxide?
एका वाक्यात उत्तर
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उत्तर १
A metal can be extracted from its oxide by the process of reduction.
\[\ce{2HgO_{(s)} ->[\Delta] 2Hg_{(l)} + O2_{(g)}}\]
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उत्तर २
Reduction is the chemical process used for obtaining a metal from its oxide by using reducing agents like carbon, sodium, aluminium or calcium.
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