Question

Find odd man out with reason1.calcium oxide 2. magnesium oxide 3.alumanium oxide. 4.manganese oxide

Answer 1

Question: Find odd one out with reason

1. Calcium oxide

2. Magnesium oxide

3. Aluminium oxide

4. Manganese oxide

Answer: Aluminium Oxide

Reason: Calium, Magnesium and Manganese Oxides are basic in nature.

Aluminium Oxide is Amphoteric Oxide i.e., it can have both acidic or basic nature.