In the contact process, the impurities osasrsenic are removed by – InterviewSolution

1.	In the contact process, the impurities osasrsenic are removed by
Answer» `Fe_2O_3` `Fe(OH)_3` `Al(OH)_3` `Cr(OH)_3` SOLUTION :In the contact process the arsenic impurities are removed by `Fe(OH)_3`(GELATINOUS) which ABSORBS ARSENIOUS oxide

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