GkSeries.com
Home
GK
ENGLISH
CURRENT AFFAIRS
APTITUDE
REASONING
BANKING
UGC NET
COMPUTER SC.
COURSES
Home
General Knowledge
a ‘breath test’ used by traffic police to check drunken driving uses
Question
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 perma-nganate-sulphuric acid
D
potassium dichromate-sulphuric acid
Answer & Explanation
Option: [D]
← Go To First Question
Go To 27 of 331 Q.→
NCERT Class 12 Biology Solved Multiple Choice Questions
