Challenger App
Home
Exams
Questions
Quiz
Notes
Blog
Contact Us
e-Book
×
Home
Exams
▼
Questions
Quiz
Notes
Blog
Contact Us
e-Book
Home
/
Questions
/
Irrigation and environmental engineering
/
Water quality control standards
No.1 PSC Learning App
★
★
★
★
★
1M+ Downloads
Get App
The pH value of strong caustic soda is about
A
7
B
13
C
1
D
5
Answer:
B. 13
Related Questions:
To test turbidity of polluted waterin the field.................. is used)
In biological treatment there is formation of a biological film of:
Disease which is not a water born disease is:
If the methyl orange alkalinity of water equals or exceed total hardness, all of the hardness is
The pH value of portable water should be: