A ‘breath test’ used by traffic police to check drunken driving uses ____?5
3463 5b5cc711e4d2b4197774f3af
Q: A ‘breath test’ used by traffic police to check drunken driving uses ____?
- 1Turmeric on filter paperfalse
- 2Silica gel coated with silver nitratefalse
- 3potassium permanganate-sulphuric acidfalse
- 4Potassium dichromatic-sulphuric acidtrue
- Show Answer
- Workspace
- Discuss