BOD (Bio Chemical Oxygen Demand) of safe drinking water must - Exam Yatra

Please wait...
THANKU FOR BEING A PART OF OUR JOURNEY TO BRING "REVOLUTION IN EDUCATION"
We Genuinely APPRECIATE your PATIENCE

SKINS
ADS

Red
Pink
Purple
Deep Purple
Indigo
Blue
Light Blue
Cyan
Teal
Green
Light Green
Lime
Yellow
Amber
Orange
Deep Orange
Brown
Grey
Blue Grey
Black
White

Coming Soon

Railways JE

143

M: +4.00/-0.00

BOD (Bio Chemical Oxygen Demand) of safe drinking water must be :

[RRB JE 2015]

A 0

B 50 ppm

C 100 ppm

D 200 ppm

Previous

Next