MCQ
Cigarette or gas lighter is made up of
- ✓Misch metal
- BAlkali metal
- CNoble metal
- DNone
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$X$ (Major product) $\xrightarrow{HN{{O}_{3}}+{{H}_{2}}S{{O}_{4}}}Y$ (Major product) $\xrightarrow{Sn\,\,+\,\,HCl}\,Z\,\xrightarrow[S{{O}_{3}}]{}W$
$W$ is

