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Per NCERT §7.3.1(3a) eqn 7.32, the reaction Cr₂O₃(s) + 2 Al(s) → Al₂O₃(s) + 2 Cr(s) is an example of which industrial method?
AAluminothermite
BHall-Héroult process
CElectrolysis
DBessemer process
Answer & Solution
Correct answer: A. Aluminothermite
NCERT §7.3.1(3a): aluminothermic reduction — Al displaces Cr/Ti/V from their oxides for metal extraction.
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