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JAMB - Chemistry (2019 - No. 15)

Which of the following is a set of neutral oxides?
N\(_2\)O, H\(_2\)O, CO
N\(_2\)O, SO\(_2\), CO
N\(_2\)O, Na\(_2\)O, ZnO
N\(_2\)O, SO\(_3\), NO

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