Salol can be used as

Which of the following is an example of a narcotic analgesic?

Substances used for bringing down the temperature in high fever are called:

Given below are two statements:
Statement $I$: Penicillin is a bacteriostatic type of antibiotic.
Statement $II$: The general structure of Penicillin is as shown below:
$R-CONH-CH-CH-S-C(CH_3)_2-CH-COOH$ (with a $\beta$-lactam ring fused to a thiazolidine ring).
Choose the correct option:

What are the salts of sorbic acid and propionic acid used as?

Bithional is an example of