Addition of calcium oxide to water produces___________________?

Related Mcqs:

Which of the following processes can remove both temporary as well as permanent hardness of water ?

A. Filtration B. Boiling C. Distillation D. None of these...

Presence of H2S in raw water (to be chlorinated) results in the_____________________?

A. Reduced softening capacity of zeolite B. Increased dosage of chlorine to provide a disinfecting residual in the water C. Easy removal of its hardness D. None of these...

Solvay process as compared to dual process (i.e. modified Solvay process) ?

A. Can use low grade brine B. Has less corrosion problems C. Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl D. Both B. and C....

Metallic soap is ________________ salt of fatty acids ?

A. Sodium B. Potassium C. Both sodium & potassium D. Aluminium or calcium...

Which of the following fuel gases contains maximum amount of carbon monoxide ?

A. Coke oven gas B. Water gas C. Blast furnace gas D. L.D. converter gas...