Among the following, the number of tranquilizer/s is/are ___________.
The number of chlorine atoms in bithionol is __________.
How many of the following drugs is/are example(s) of broad spectrum antibiotics?
Ofloxacin, Penicillin G, Terpineol, Salvarsan.
How many of the following drugs belong to the tranquilizer class _____________ ?
Veronal, Luminal, Propanal, Seconal