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AP EAMCET202523 May 2025Evening ShiftChemistryGeneral Principles and Processes of Isolation of MetalsActual

Which of the following reactions is an example of roasting ?

Options

  1. AZnCO ₃ ZnO + CO ₂
  2. B2 PbS +3 O ₂ 2 PbO +2 SO ₂
  3. CFe ₂ O ₃+3 C 2 Fe +3 CO
  4. DFeO + SiO ₂ FeSiO ₃

Correct answer

B. 2 PbS +3 O ₂ 2 PbO +2 SO ₂

Step-by-step solution

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