Final answer:
Ketamine is a liquid used as an anesthetic and analgesic, but it is not typically used by soaking a piece of paper, fruit, aspirin, or a cigarette.
Step-by-step explanation:
Ketamine is a liquid that is commonly used as an anesthetic and analgesic in medical settings. It can be administered via various routes, including intravenous injection, intramuscular injection, and oral ingestion. However, it is not typically used by soaking a piece of paper, fruit, aspirin, cigarette, or any other substances.
Learn more about Ketamine and its use as an anesthetic and analgesic