Which of the following is used as an antacid?

Which of the following is a synthetic estrogen derivative?

Why are certain drugs called enzyme inhibitors?

Bithionol is added to soaps to impart antiseptic properties. The number of $-OH$ and $-Cl$ groups in its structure are respectively

The correct statements about $Z$ from the following are:
$I$. It is $o$-hydroxybenzoic acid.
$II$. It is a non-narcotic analgesic.
$III$. It acts as an antipyretic.
$IV$. It acts as an antihistamine.

Which of the following is the correct structure of the drug Paracetamol?