MCQ
The angular shape of ozone molecule $(O_3)$ consists of
- A$1\sigma$ and $1\pi$ bond
- ✓$2\sigma$ and $1\pi$ bond
- C$1\sigma$ and $2\pi$ bonds
- D$2\sigma$ and $2\pi$ bonds

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$(I)\,\, AgNO_3$
$(II)\,\, CaCO_3$
$(III) \,\,Pb(NO_3)_2$
$(IV) \,\,Na_2CO_3$

