Well if drug dogs are trained to sniff out dip they can but most if the time they are just trained to sniff out drugs.
There aren't many drugs that smell like tobacco. In my experience peyote and magic mushrooms may slightly resemble that of tobacco.
no they dont search for tobacco
no not at all
No "drug" looses dog smell(s)/or if you call frebreeze a drug then yes. there is.
If they are LOOKING for tobacco, then yes... Most drug tests do not look for tobacco, unless it is for a specific reason... ex: health / life insurance....
Yes they can smell almost any kind of Illegal drug you can imagine.
Yes! because they can get drunk
they can smell drugs or smell arson stuff like bombs and they usually work for police.
Drug dogs are trained to detect the final product of drugs, not necessarily the individual precursors. However, some dogs may be able to detect common chemicals used in the production of methamphetamine depending on their training and exposure.
Pipe/ cigarette pack
Yes infact it contains more nicotine then ciggarettes! Nicotine is a highly addictive drug found in smokeless tobacco and smoking tobacco. But often people who do use "snuff" and chewing tobacco often doubt it being a drug. So to conclude chewing tobacco is a drug!
Yes they can!