The method that cannot be used for removing permanent hardness of water is
a) Adding sodium carbonate
b) Distillation
c) Adding caustic soda
d) Boiling
The method that cannot be used for removing permanent hardness of water is
a) Adding sodium carbonate
b) Distillation
c) Adding caustic soda
d) Boiling
500 MCQs Aptitude Automobile Automobile Engineering MCQs Average BMI Body Mass Index bricks Building Material MCQs CIVIL ENGINEERING Engineering Engineering Drawing MCQs Engineering Materials Equipments foundation engineering GENERAL SCIENCE QUIZ Geotechnical Engineering glass Google Adsense Google AdSense Account IC engines MCQs India Instagram lava lose weight manufacturing process of clay bricks Mechanical Engineering physical properties of structural steel qualities of good brick quality of bricks Refrigeration & Air-Conditioning RGPV BTech Civil papers RGPV Diploma Civil RGPV PAPERS Rigid pavements Seepage pressure special types of concrete structural steel Surveying test on bricks Trusses types of cement voter id YouTube YouTube account