Which of the following is useful as an expectorant and is also used as an ingredient in cough syrups?

What is the color of the latex obtained by making an incision in the poppy capsule?

Nayan's friend is consuming drugs. What should Nayan do?
$(i)$ Discuss with the friend's parents. $(ii)$ Bring the matter to the attention of the friend's teacher. $(iii)$ Advise him to stay away from alcohol and drugs. $(iv)$ Try to understand why he is consuming drugs and show empathy. $(v)$ Inform him about the physical harm caused by addiction. $(vi)$ Provide proper guidance and help him stay away from addiction.

What condition is caused by the sudden discontinuation of regular intake of drugs or alcohol?

Which substance is responsible for causing liver cirrhosis?

If a regular dose of drug or alcohol is not provided to an addicted person,he shows some withdrawal symptoms. List any four such withdrawal symptoms.