Cocaine is

Which of the following substances is an antioxidant?

Acetoxy benzoic acid is

Assertion : Sedatives are given to patients who are mentally agitated and violent.
Reason : Sedatives are used to suppress the activities of the central nervous system.

Which of the following substances are used in the preparation of antacid medicines?

Correct statements with respect to morphine $(X)$ and Veronal $(Y)$ are:
$A$. Both $X$ and $Y$ are sleep-producing agents.
$B$. $X$ is hypnotic and $Y$ is analgesic.
$C$. $X$ is analgesic and $Y$ is hypnotic.
$D$. $X$ is non-narcotic analgesic and $Y$ is antidepressant.