Which of the following is not an example of an antacid?

Which of the following are synthetic detergents?
$A$) $CH_3(CH_2)_{10}CH_2OH$
$B$) $CH_3(CH_2)_{10}CH_2OSO_3Na$
$C$) $CH_3(CH_2)_{15}N(CH_3)_3Br$
$D$) $(C_{15}H_{31}COO)_3C_3H_5$

$A$ broad spectrum antibiotic is

Match List-$I$ with List-$II$.

List-$I$ (Antimicrobials)	List-$II$ (Names)
$A$. Narrow spectrum antibiotic	$I$. Furacin
$B$. Antiseptic	$II$. Sulphur dioxide
$C$. Disinfectants	$III$. Penicillin-$G$
$D$. Broad spectrum antibiotic	$IV$. Chloramphenicol

Which of the following is not an example of a synthetic detergent?

With the help of an example,explain how do tranquilizers control the feeling of depression?