Chemistry The method that cannot be used for removing permanent hardness of water is boiling adding caustic soda distillation adding sodium carbonate boiling adding caustic soda distillation adding sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Copper Mercury Gold Silver Copper Mercury Gold Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Ethylene Propylene Acetylene Aniline Ethylene Propylene Acetylene Aniline ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called leaching levigation magnetic separation liquation leaching levigation magnetic separation liquation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 8 32 18 2 8 32 18 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Oxalic acid H2O2 Alcohol Petrol Oxalic acid H2O2 Alcohol Petrol ANSWER DOWNLOAD EXAMIANS APP