Substances used in bringing down the temperature in high fevers are called

Chloramphenicol is a/an ....... .

Which substance is added to soap as an antiseptic?

Given below are two statements,one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: Butylated hydroxy anisole when added to butter increases its shelf life.
Reason $R$: Butylated hydroxy anisole is more reactive towards oxygen than food.
In the light of the above statements,choose the most appropriate answer from the options given below:

Why should medicines not be taken without consulting doctors?

Sodium laurylsulphate $(CH_3(CH_2)_{10}CH_2OSO_3^-Na^+)$ belongs to which type of detergent?