MCQ
Which one of the following is an oxide ?
- A$KO_2$
- B$BaO_2$
- ✓$SiO_2$
- D$CsO_2$
$KO_2$ Superoxide
$BaO_2$ Peroxide
$SiO_2$ Oxide
$CsO_2$ Superoxide
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$A.$ $SO _{4}^{2-}$ and $CrO _{4}^{2-}$
$B.$ $SiCl _{4}$ and $TiCl _{4}$
$C.$ $NH _{3}$ and $NO _{3}^{-}$
$D.$ $BCl _{3}$ and $BrCl _{3}$
$BCl _{3}$ and $BrCl _{3}$
