Dissolved oxygen content in river water is around _____________ ppm?
(A) 5
(B) 100
(C) 250
(D) 500
Dissolved oxygen content in river water is around _____________ ppm?
| Share this... |
 Facebook
|
 Twitter
|
 Linkedin
|
 Whatsapp
|
Related Mcqs
- Previous:Maximum allowable concentration of CO2 in air for safe working is _____________ ppm (parts per million)?
- Next:Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as________________?
Leave a Reply
Your email address will not be published. Required fields are marked *
