$A$ food additive that acts as an antioxidant is

In the year $1904$,the German scientist Paul Ehrlich developed the first antimalarial drug,which was also necessary for common skin diseases. Name it.

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.

Streptomycin is effective in the treatment of

Which of the following is not an example of a synthetic detergent?

Which of the following substances acts as both an antiseptic and a disinfectant?