Which of the following is a hallucinogenic drug?

Cetyltrimethylammonium chloride is which type of detergent?

$A$ $16$-year-old boy visits a doctor complaining of sneezing,watery eyes,and a runny nose,along with constant itching in the eyes. He also has a known allergy to dust. Which medicine will the doctor recommend?

An antiseptic,Dettol,is a mixture of two compounds '$A$' and '$B$',where $A$ has $6$ $\pi$ electrons and $B$ has $2$ $\pi$ electrons. What is '$B$'?

Which of the following is a bacteriostatic antibiotic?

Ranitidine belongs to which of the following class of drugs?