Identify phenacetin from the following.

Given below are two statements: One is labelled as Assertion $A$ and the other labelled as Reason $R$.
Assertion $A:$ Antihistamines do not affect the secretion of acid in stomach.
Reason $R :$ Antiallergic and antacid drugs work on different receptors.
In the light of the above statements,choose the correct answer from the options given below:

$A$ broad-spectrum antibiotic is one that:

Explain the role of receptors as drug targets.

The drug used as an antidepressant is:

Match the following:

List-$I$ (Chemical)	List-$II$ (Type)
$A$. Bithionol	$I$. Artificial sweetener
$B$. Saccharin	$II$. Antifertility drug
$C$. Sodium benzoate	$III$. Antiseptic
$D$. Norethindrone	$IV$. Food preservative

The correct answer is