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JAMB Chemistry 2006 Question 6

Question 6

Carbon and its Compounds

Carbon exists naturally in the combined state as

  1. A.graphite
  2. B.coal
  3. C.diamond
  4. D.wood
Show the answer and explanation

Answer: D (wood)

Explanation

Graphite and diamond are free (uncombined) carbon and coal is largely impure free carbon, while in wood carbon is combined with hydrogen and oxygen in compounds such as cellulose.