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JAMB Chemistry 2007 Objective — Question 37

Question 37 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2007 Objective paper, with the correct answer and a full explanation.

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When calcium oxide is heated with carbon, the oxide will

  • A. decompose to the metal
  • B. be converted to the carbideCorrect
  • C. melt, producing carbon(IV) oxide
  • D. be converted to the trioxocarbonate (IV) salt

Explanation

Heating calcium oxide with carbon converts it to calcium carbide (CaC2).

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