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P-1 Metallurgy — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Metallurgy1 Mark
MCQ
Substance used to decrease the melting point of alumina in Hall - Haroult process __________.
  • A
    $CuSO_4$
  • ✓
    Cryolite
  • C
    Gypsum
  • D
    Limonite
✓

Answer

Correct option: B.
Cryolite
Cryolite

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