Full 2L QBank
Social & Preventive Medicine General b9cc647c

Past contamination of water is indicated by –

A
Free and saline ammonia
B
Dissolved H2S
C
Nitrites
D
Nitrates
High-Yield Explanation
No explanation provided.

Related Social & Preventive Medicine MCQs

Practice 2,00,000+ NEET PG Questions Free

Timed mock tests, mistake queue analytics, audio lectures & zero attempt limits on i❤️Exams.

Start Free Mock Test Now