The alum, when added as a coagulant in water_______________?
Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.
A. does not affect pH value of water
B. increases pH value of water
C. does not require alkalinity in water for flocculation
Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.