Veronal is a barbiturate drug used as a......

Which of the following is the chemical structure of chloroxylenol,used as an antiseptic?

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 diseases is caused by a protozoan?

Given below are two statements:
Statement $I:$ Noradrenaline is a neurotransmitter.
Statement $II:$ Low level of noradrenaline is not the cause of depression in human.
In the light of the above statements,choose the correct answer from the options given below.

What are the main constituents of Dettol?