MCQ
$Si_3O_9^{-6}$ (having three tetrahedral) is represented as
- A

- ✓

- C

- D






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$(a)\,0.075\,\,M\,CuS{O_4}$ $(b)\,0.060\,\,M\,(NH_4)_2SO_4$
$(c)\,0.14\,\,M\,urea$ $(d)\,0.04\,M\,MgCl_2$
