Which of the following is an antifertility drug?

Among the following,the number of tranquilizer/s is/are $.......$.
$A.$ Chlordiazepoxide
$B.$ Veronal
$C.$ Valium
$D.$ Salvarsan

Various phenol derivatives,tincture of iodine ($2-3\% \ I_2$ in water/alcohol) and some dyes like methylene blue are

Why is the use of aspartame limited to cold foods and drinks?

Given below are two statements:
Statement $I:$ Aspirin and Paracetamol belong to the class of narcotic analgesics.
Statement $II:$ Morphine and Heroin are non-narcotic analgesics.
In the light of the above statements,choose the correct answer from the options given below.

Butylated hydroxyanisole $(BHA)$ is: