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In contact process inpurities of arsenic is removed by

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In contact process inpurities of arsenic is removed by
A. `Al(OH)_3`
B. `Fe(OH)_3`
C. `Cr(OH)_3`
D. `Fe_2O_3`
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1 Answer

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Correct Answer - B
`Fe(OH)_3` removes the impurities of Arsenic.
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