When temporary hard water is boiled, one of the substance...
When temporary hard water is boiled, one of the substances formed is
calcium bicarbonate
calcium sulfate
hydrogen chloride
carbon dioxide
Correct answer is D
No explanation has been provided for this answer.
Which of the enzyme combination is commercially used for the removal of oxygen? ...
Sedimentation is a physical process used in wastewater treatment to ...
Acid used mostly for removal of milk stone is ...
Both temporary and permanent hardness of water can be removed by ...
Lagoons may be characterized as ...
Inhibitors are used along with sanitizer to ...
Liquefaction of starch to dextrin is carried out by ...