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

- ✓

- C

- D






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|
LIST $I$ (Compound) |
LIST $II$ (Uses) |
| $A$ Iodoform | $I$ Fire extinguisher |
| $B$ Carbon tetrachloride | $II$ Insecticide |
| $C$ $CFC$ | $III$ Antiseptic |
| $D$ $DDT$ | $IV$ Refrigerants |
Choose the correct answer from the options given below :