A 'breath test' used by traffic police to check drunken driving uses?
CHEMISTRY
JAMB 2021
A 'breath test' used by traffic police to check drunken driving uses?
- A. Tumeric on filter paper
- B. Silica gel coated with saliva nitrate
- C. Potassium permanganate-sulphuric acid
- D. Potassium dichromatic-sulphuric acid
Correct Answer: D. Potassium dichromatic-sulphuric acid
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