Which of the following chemicals are used to manufacture methyl isocyanate that caused the $Bhopal$ $Tragedy$?
$(i)$ $Methylamine$
$(ii)$ $Phosgene$
$(iii)$ $Phosphine$
$(iv)$ $Dimethylamine$
$(i)$ $Methylamine$
$(ii)$ $Phosgene$
$(iii)$ $Phosphine$
$(iv)$ $Dimethylamine$
- A$(i)$ and $(iii)$
- B$(iii)$ and $(iv)$
- C$(i)$ and $(ii)$
- D$(ii)$ and $(iv)$
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