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The gas from the oven in Coking process of coal is scrubbed with H2S04 to remove ammonia. Is the statement true/false?

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The gas from the oven in Coking process of coal is scrubbed with  H2S04 to remove ammonia. Is the statement true/false?

(a) True

(b) False

This question was addressed to me in an online interview.

Origin of the question is Natural Products in section Natural Products of Chemical Technology

1 Answer

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Best answer
Right answer is (a) True

Easy explanation: The statement is true and the gas from the oven is cooled to remove tars, to remove aromatics it is scrubbed with light oil, scrubbed with sulfuric acid to remove ammonia leaving behind coal gas.

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