The following development did not take place in the nineteenth century:
A) the discovery of the addicting properties of opiates.
B) extraction of morphine from opium.
C) extraction of heroin from morphine.
D) invention of the hypodermic syringe.
E) the isolation of cocaine from coca leaves.

Question

Quizplus · Accepted Answer

The addicting properties of opiates were known long before the nineteenth century, whereas the other developments listed occurred during the nineteenth century.

The Following Development Did Not Take Place in the Nineteenth