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