Salvarsan is

What is tincture of iodine?

Which of the following is an antipyretic drug?

The use of chemicals for the treatment of diseases is called:

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

List-$I$	List-$II$
$A$. Saccharin	$I$. High potency sweetener
$B$. Aspartame	$II$. First artificial sweetening agent
$C$. Alitame	$III$. Stable at cooking temperature
$D$. Sucralose	$IV$. Unstable at cooking temperature

Choose the correct answer from the options given below:

Two statements in respect of drug-enzyme interaction are given below.
Statement $I$: Action of an enzyme can be blocked only when an inhibitor blocks the active site of the enzyme.
Statement $II$: An inhibitor can form a strong covalent bond with the enzyme.
In the light of the above statements,choose the correct answer from the options given below.