Post-UTME Chemistry 2009 Objective — Question 8
Question 8 of 16 from the Post-UTME Screening (Post-UTME) Chemistry 2009 Objective paper, with the correct answer and a full explanation.
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Which of the following decomposition equations is correct?
- A. Ag2CO3 -> Ag2O + CO2Correct
- B. 2PbCO3 -> 2Pb + 2CO2 + O2
- C. 2NaNO3 -> 2NaNO2 + O2
- D. Ag2CO3 -> AgO2 + CO2
Explanation
Silver carbonate decomposes on heating to silver oxide and carbon dioxide, a correctly balanced equation.
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