(1)Chemical test available to determine levels and types of contaminants
(2)Physical and chemical processes used to purify water
(3)Chemical additives in the water and the reason for the presence of these additives
for the first one. do I just regurgitate the book, where it explains BOD.DO.turbidty and TDS.......?
second question, just name the process for purifying water?>
screening flocculation filtrating and chlorination>?
(2)Physical and chemical processes used to purify water
(3)Chemical additives in the water and the reason for the presence of these additives
for the first one. do I just regurgitate the book, where it explains BOD.DO.turbidty and TDS.......?
second question, just name the process for purifying water?>
screening flocculation filtrating and chlorination>?