Question

which one of the following is different from the other three?
1) MgO
2) SnO
3) ZnO
4) PbO

Answer 1

hi mate may be answer is MgO

Answer 2

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MgO is the anSweR

$reason$

MgO is highly reactive and is reactive more than all other oxides.
Also,only Mg reacts with hot water to form its hydroxide.

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