Advertisements
Advertisements
Question
What flux would you use to remove the following impurity?
SiO2
Very Short Answer
Advertisements
Solution
For SiO2 (silica impurity), the flux used is CaO (lime/quicklime).
\[\ce{CaO + SiO2 -> CaSiO3}\]
Thus, basic flux (CaO) is used to remove acidic impurity (SiO2) by forming fusible slag.
shaalaa.com
Is there an error in this question or solution?
Chapter 6: General Principles and Processes of Isolation of Elements - REVIEW EXERCISES [Page 354]
