Which of the following substances is a germicidal detergent?

$A$ drug effective in the treatment of pneumonia,bronchitis,etc.,is

Chemically,heroin is:

Why should medicines not be taken without consulting doctors?

Which medicinal compound is used in Iodex?

Synthetic detergents have an advantage over usual soaps regarding cleansing power. However,the long-term use of synthetic detergents creates environmental pollution. How can the pollution caused by synthetic detergents be minimized? Classify the detergents according to their chemical nature.