In water treatment plant, zeolite process is used to remove the _____________ of water?
In water treatment plant, zeolite process is used to remove the _____________ of water? A. Acidity B. AlkalinityC. Hardness D. Iron & zinc
In water treatment plant, zeolite process is used to remove the _____________ of water? A. Acidity B. AlkalinityC. Hardness D. Iron & zinc
On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because __________________? A. Of clotting of blood B. Of jamming of respiratory tractC. It forms carboxyhemoglobin by combining with haemoglobin of blood, thereby making it incapable…
There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant ? A. Mercury B. ArsenicC. Aluminium D. Lead