The pH value of strong caustic soda is about
A7
B13
C1
D5
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The standard EDTA (Ethylene Diamene Tetra Acetic Acid)solution is used to determine:
Symbiosis, the beneficial association between algae & bacteria is used for treatment of waste water in the following unit:
Disease which is not a water born disease is:
The pH value of portable water should be:
If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D of the sewage is: