Chemistry The purest form of water in nature is Lake water River water Sea water Rain water Lake water River water Sea water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Disinfection Softening Sedimentation Coagulation Disinfection Softening Sedimentation Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Antiseptic Disinfectant Coagulant Antibiotic Antiseptic Disinfectant Coagulant Antibiotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Sedimentation Filtration Water softening Flocculation Sedimentation Filtration Water softening Flocculation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS