Question

odd one
out From Aluminium oxide, Magnesium
oxide, Sodium oxide and
Calcium oxide​

Answer 1

Answer:

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Answer 2

Answer:

Hey. So, clearly the charge on the positive charge ion is +2 in case of Ca 2+, Mg 2+ and Zn 2+ but it is +1 in case of Na +. So, Sodium Oxide is odd in the group.