MCQ
Which of the following are the chemical substances that decrease anxiety?
- ✓Tranquilizers
- BHallucinogens
- COpiates
- DCocaine
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$A, B$ and $C$ are


$\begin{array}{*{20}{c}}
{Ph - C{H_2} - CH - C{H_3}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,}
\end{array}$ $>$ $\begin{array}{*{20}{c}}
{Me - C{H_2} - CH - C{H_3}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,}
\end{array}$