MCQ
Metal used for making joints in jewellery is
- A$Zn$
- B$Cu$
- C$Ag$
- ✓$Cd$
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$(I)$ $\begin{matrix}
\begin{matrix}
\,\,\,Br \\
| \\
\end{matrix} \\
Ph-C-Ph \\
| \\
\,\,\,\,\,\,C{{H}_{3}} \\
\end{matrix}$
$(II)$ $\begin{matrix}
Br \\
|\,\,\, \\
Ph-CH-Ph \\
\end{matrix}$
$(III)$ $\begin{matrix}
Ph-CH-C{{H}_{3}} \\
|\,\,\,\,\,\,\, \\
Br\,\,\,\,\,\, \\
\end{matrix}$
$(IV)$ $PhVH_2Br$