Question

addictive drug that has pain - relieving and sleep - inducing properties

hashish

cocaine

liquor

heroin

narcotic

Explanation:

• Hashish: Mainly causes psychoactive effects like altered perception, not primarily known for strong pain - relieving and sleep - inducing in the context of a highly addictive drug.
• Cocaine: Is a stimulant, which increases alertness and energy, not for pain - relief and sleep - induction.
• Liquor (alcohol): Can have some sedative effects at high doses but is not typically classified as a drug with the specific combination of strong pain - relieving (like a narcotic) and highly addictive properties in the same way as the correct answer.
• Heroin: Is a highly addictive opioid (narcotic - like in its action). Opioids are known for their pain - relieving (analgesic) and sleep - inducing (sedative) properties.
• Narcotic: While heroin is a narcotic, the question is about a specific drug. Heroin is a more specific answer than just the general category "narcotic" as per the options given.

Answer:

heroin