Chemistry Which of the following is very reactive and kept in kerosene? Iodine Bromine Potassium Sodium Iodine Bromine Potassium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in Electric heaters A battery Atomic bombs Dynamo Electric heaters A battery Atomic bombs Dynamo ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1023 4.84 x 1017 1.568 x 103 6.023 x 1019 6.023 x 1023 4.84 x 1017 1.568 x 103 6.023 x 1019 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Oxidation Reduction Electrolysis Fractional distillation Oxidation Reduction Electrolysis Fractional distillation 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 magnetic separation liquation leaching levigation magnetic separation liquation leaching levigation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol and H2O Ethyl alcohol and H2O Methyl alcohol Ethyl alcohol Methyl alcohol and H2O Ethyl alcohol and H2O Methyl alcohol Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP