Question

Pick the odd one out giving reasons
a)ZnO , CaO , PbO , Al 2 O 3
b)CO 2 , SO 2 , PbO 2 , NO 2
c)K 2 O , Na 2 O , N 2 O , CaO
d)CO , NO , MgO
e)MnO 2 , Pb 3 O 4 , Fe 3 O 4

Answer 1

Answer:

the answer is (d)

Explanation:

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Answer 2

The answer is d) option
I THINK