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Bog iron used for the adsorption of H2S from coke oven gas is | |
A. | an intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide). [Correct Answer] |
B. | iron impregnated with resin (usually bakelite). [Wrong Answer] |
C. | carbon free iron. [Wrong Answer] |
D. | none of these. [Wrong Answer] |
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