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Aluminothermic process is used for the extraction of metals, whose oxides areA. FusibleB. Not easily reduced by carbonC. Not easily reduced by hydrogenD. Strongly basic |
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Answer» Correct Answer - B Aluminothermic process involvers reduction of oxides such as `Fe_(2)O_(3),Mn_(3)O_(4),Cr_(2)O_(3)`etc. to metals with aluminum. `Cr_(2)O_(3)+2A1_(2)O_(3) +2Cr DeltaH =- ve` |
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