A ‘breath test’ used by traffic police to check drunken driving uses ____?

A. Turmeric on filter paper
B. Silica gel coated with silver nitrate
C. potassium permanganate-sulphuric acid
D. Potassium dichromatic-sulphuric acid

Submitted by: Rashid Mehmood

Correct Answer: Potassium dichromatic-sulphuric acid ✔

Last Updated: January 02, 2020