it shouldn't, sounds like you got ripped off!
and what are you cooking it with, soda or ammonia?
although neither should be giving you black residue, sometimes the burn from the lighter or candle(use a stove it's better) but your looking for off white not black!
Yes, it would be PC (probable cause) to search your vehicle for drugs and paraphernalia and, if the amount was large enough, get you arrested for "possession."
cocaine can kill you. enuf said
yes
can drug use such as vicodin, methodone, or cocaine cause or contribute to gastritis?
No.
cocaine!
cocaine
Yes
There is pretty much nothing that would cause a false positive for cocaine. Good luck.
No. HGH is chemically nothing like cocaine.
Cocaine is usually cut with baby laxatives which is a white powder with no taste or smell
yes