MCQ
Select the correct statement
- A$O_3$ is dry bleaching agent
- ✓Phosgene, tear gas and mustard gas all are Non poisonous
- CSulphuric acid is used in petrolium refining
- DBoth $(A)$ and $(B)$ are correct
✓
Answer
Correct option: B.
Phosgene, tear gas and mustard gas all are Non poisonous
b
$SF_4$ as per counting
$SF_4$ as per counting
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