a breath test used by traffic police to check drunken driving uses
a. tumeric on...
a breath test used by traffic police to check drunken driving uses
a. tumeric on...
a breath test used by traffic police to check drunken driving uses
a. tumeric on filter paper
b. silica gel coated with silver nitrate
c. potassium permanganate sulfuric acid
d. potassium di-chromatic sulfuric acid?
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