+1 vote
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Which of the following is a carbonaceous material?

(a) Charcoal

(b) Petroleum

(c) Hydrogen sulfide

(d) Sodium chloride

This question was posed to me in an interview for job.

Query is from Activated Carbon Treatment topic in chapter Miscellaneous Treatment Methods of Environmental Engineering

1 Answer

+2 votes
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Best answer
The correct option is (a) Charcoal

Best explanation: Charcoal is a carbonaceous material. Various other carbonaceous materials are coke, paper, char and sawdust.

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