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P-1 Metallurgy — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Metallurgy1 Mark
MCQ
Complete the following statement using every given options.
During the extraction of aluminium
  • A
    Ingredients and gangue in bauxite
  • B
    Use of leuching during the concentration of ore
  • ✓
    Chemical reaction of transformation of bauxite into alumina by Hall’s process
  • D
    Heating the aluminium ore with concentrated caustic soda
✓

Answer

Correct option: C.
Chemical reaction of transformation of bauxite into alumina by Hall’s process
Chemical reaction of transformation of bauxite into alumina by Hall’s process.

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