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Lots of things anything being burned leaves a black residue soot and ash even a carbon burn off.
Smoking pot can leave a residue as well
A black residue would be from smoking Herion or OxyContin other pills may leave a black residue. Make sure you look at the black spot and be sure it's from smoking something and not some other left overs. Also carbon burn off from candles and even pot smoke can leave a black ash.
What else can I help you with?
Does crack cocain leave a residue?
Does crack cocain leave a residue
How long does the smell of weed leave after being smoked?
1-3 weeks
Does electrical tape leave residue?
It can, the cheaper electrical tapes leave more residue than the better quality brands such as 3M. The longer you leave it on the more residue it leaves behind.
Does acetone leave a residue after use?
Yes, acetone typically does not leave a residue after use as it evaporates quickly.
What might be the residue?
A residue is something left over. Fires usually leave a residue of ash.
Why do soap bars leave residue in your shower?
Soap bars leave residue in your shower because it is not washed away. This residue has nowhere to go if not washed away.
Does alcohol leave a residue after it evaporates?
Yes, alcohol can leave a residue after it evaporates, depending on the type of alcohol and the surface it was on.
Does bleach leave a residue after use?
Yes, bleach can leave a residue after use if not properly rinsed or wiped away.
When colloids are filtered do they leave residue?
Yes, colloids can leave a residue when filtered. Colloids are larger particles that can be trapped by the filter, resulting in a residue left behind after filtration.
What mineral leaves black grease on your hands?
The mineral that can leave black grease on your hands is coal. It contains carbon compounds that can rub off as a black residue on your skin.
Will a 38 long barrel revolver leave residue on clothing?
will a 38 revolver leave gun residue on clothing when fired
Does bleach leave residue on surfaces after cleaning?
Yes, bleach can leave residue on surfaces after cleaning if not properly rinsed off.
