Full 2L QBank
General Medicine General 567b8d53

The minimum contact period after chlorination:

A
1/2 hour
B
1 hour
C
2 hours
D
3 hours
← Previous Question Next Question →

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