Chemical Process Pick out the false statement pertaining to water treatment. The zeolite water softening process reduces the hardness of water by not more than 50% Aeration of water is effective in CO₂ removal Sodium sulphate or sodium carbonate do not cause hardness in water Water with pH value less than 7, is acidic The zeolite water softening process reduces the hardness of water by not more than 50% Aeration of water is effective in CO₂ removal Sodium sulphate or sodium carbonate do not cause hardness in water Water with pH value less than 7, is acidic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Removal of dirt/soil by soaps or detergent does not involve the __________ of soil. Dispersion Precipitation Wetting Emulsification Dispersion Precipitation Wetting Emulsification ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial production of calcium carbide requires limestone and __________ as raw materials. Fuel oil Coke Sand Soda ash Fuel oil Coke Sand Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene? Al2O₃ AgO ZnCl₂ FE₂O₃ Al2O₃ AgO ZnCl₂ FE₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Isopropyl benzene produced by alkylation of benzene with propylene is known as Gelatin Neoprene Cumene Mercaptans Gelatin Neoprene Cumene Mercaptans ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sizing material is incorporated in paper to Impart resistance to penetration by liquids Increase its thickness Increase its brightness Increase its flexibility & opacity Impart resistance to penetration by liquids Increase its thickness Increase its brightness Increase its flexibility & opacity ANSWER DOWNLOAD EXAMIANS APP
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