Ofloxacin is :-

Match the medicines given in Column-$I$ with their uses given in Column-$II$.

Column-$I$	Column-$II$
$A$. Ranitidine	$1$. Tranquilizer
$B$. Furacine	$2$. Antibiotic
$C$. Phenelzine	$3$. Antihistamine
$D$. Chloramphenicol	$4$. Antiseptic
	$5$. Antifertility drug

Which of the following compounds is aspirin?

Methacetin ($4$-methoxy-acetanilide) is a/an ... drug.

Synthetic detergents have an advantage over usual soaps regarding cleansing power. However,the long-term use of synthetic detergents creates environmental pollution. How can the pollution caused by synthetic detergents be minimized? Classify the detergents according to their chemical nature.

Which of the following is not correctly matched?