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प्रश्न
What chemical process is used for obtaining a metal from its oxide?
उत्तर १
A metal can be extracted from its oxide by the process of reduction.
\[\ce{2HgO_{(s)} ->[\Delta] 2Hg_{(l)} + O2_{(g)}}\]
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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संबंधित प्रश्न
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(c) cuprite
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(a) copper
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Explain the characteristics of ionic compounds.
The given reaction shows one of the processes to extract the metals like Iron and Manganese.
\[\ce{MnO2(s) + Al(s) -> Mn(l) + Al2O3(s) + Heat}\]
Give the reason why the above reaction is known as a thermite reaction.
