PH value of sludge during alkaline regression stage, is« Back to Previous Page

A. more than 7 B. less than 7 C. less than 6 D. more than 6.
Posted by Civil Engineer
Asked on August 17, 2016 1:08 pm
▲
0
▼

A. more than 7

Posted by Civil Engineer
Answered on August 17, 2016 1:09 pm