AP EAMCET2004ChemistryGeneral Principles and Processes of Isolation of Metals
Which one of the following is used as an acid flux in metallurgy?
Options
- ACaO
- BSiO ₂
- CNa ₂ CO ₃
- DSO ₂
Correct answer
B. SiO ₂
Step-by-step solution
SiO ₂ (silica) is used as an acid flux in metallurgy. It reacts with gangue to form slag.