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Home
All Subjects
CSS
CSS MPT
CSS Subjects MCQs
CSS Past Papers
Past Papers
Testing Agencies Papers
Departmental Past Papers
Post Wise Papers
Service Related MCQs
Departments Related MCQs
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FPSC
PPSC
SPSC
BPSC
KPPSC
Current Affairs
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Army/Navy/Air force
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Subject:
Chemistry
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
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