When acids in water hydrogen positive ion is produced in excess. It is this hydrogen positive ion that gives acidity of a solution.
Cations
Novocain tests positive for cocaine, not LSD.
Yes it give positive result
yes
A false positive pregnancy test is extremely rare, so I would say no, if the tests read positive you are most likely pregnant.
Treponemal antibody tests are used to rule out false-positive results on reagin tests.
Yes, hydrogen ions are mainly positive. This occurs most in acids.
urease - negative ONPG - positive Lysine - positive
Flash tests are used for conjunction with and electronic thermal flash detector. These test methods are suitable for flash point tests on biodiesels as fatty acids.
Acids have nether a positive or negative charge, but instead have a pH value.
If you get two lines