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STD 12 - 4. d and f- block elements — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - 4. d and f- block elements4 Marks
MCQ
The catalyst used in the contact process is
  • A
    $Fe_2O_3$
  • ✓
    $V_2O_5$
  • C
    $SO_3$
  • D
    $Ag_2O$
✓

Answer

Correct option: B.
$V_2O_5$
b

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