Chemistry Synthetic detergents are prepared from Sodium salts of higher fattyacids Potassium salts of higher fatty-acids Glycerides Hydrocarbons of petroleum Sodium salts of higher fattyacids Potassium salts of higher fatty-acids Glycerides Hydrocarbons of petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is distillation adding caustic soda adding sodium carbonate boiling distillation adding caustic soda adding sodium carbonate boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Sublimation Galvanisation Reduction Corrosion Sublimation Galvanisation Reduction Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Aerate the sewage Disinfect the sewage Remove suspended solids Remove water content Aerate the sewage Disinfect the sewage Remove suspended solids Remove water content ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Carbonic Acid Ammonia Water Methane Carbonic Acid Ammonia Water Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in dating archaeological findings ? 614C 13H 92235U 818O 614C 13H 92235U 818O ANSWER DOWNLOAD EXAMIANS APP