Which of the following is not a basic flux?

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Question

(A) flux is a substance added to the ore to remove gangue by forming an easily fusible slag. Basic fluxes are used to remove acidic impurities (like $

Vedclass · Accepted Answer

Silica

Vedclass · Answer

(A) flux is a substance added to the ore to remove gangue by forming an easily fusible slag. Basic fluxes are used to remove acidic impurities (like $SiO_2$). $Silica$ $(SiO_2)$ is an acidic flux,whereas $Limestone$ $(CaCO_3)$,$Calcite$ $(CaCO_3)$,and $Quick  lime$ $(CaO)$ are basic fluxes. Therefore,$Silica$ is not a basic flux.

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