Question

chemically known as diacetylmorphine, a white crtstalline odourless cimpound, is commonly called

Answer 1

heroin (C21H23NO5)

it is formed by acetyalation of morphine.

it is generally taken by snorting.

hope the answer is helpful.

Answer 2

Heroin, also known as diamorphine among other names,[1] is an opioid most commonly used as a recreational drug for its euphoric effects.[2] Medically it is used in several countries to relieve pain or in opioid replacement therapy.[7][8][9] Heroin is typically injected, usually into a vein; however, it can also be smoked, snorted or inhaled.[2][10][11] The onset of effects is usually rapid and lasts for a few hours