Chemistry The BOD values of water indicate the Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of oxygen used for biochemical oxidation Amount of organic debris Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of oxygen used for biochemical oxidation Amount of organic debris ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Salt Lactic acid Citric acid Vinegar Salt Lactic acid Citric acid Vinegar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 115 112 118 127 115 112 118 127 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Kerosene Lime Petrol Oxalic acid solution Kerosene Lime Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Acidic property Basic property Oxidising property Reducing property Acidic property Basic property Oxidising property Reducing property ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 10 electron 3 electron 8 electron 5 electron 10 electron 3 electron 8 electron 5 electron ANSWER DOWNLOAD EXAMIANS APP