Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Potassium Phosphorous Nitrogen Silicon Potassium Phosphorous Nitrogen Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? None of these Formation of lather with soap Distillation Boiling None of these Formation of lather with soap Distillation Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Uric acid Urea Lactic acid Glucose Uric acid Urea Lactic acid Glucose ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which turns into liquid at the lowest temperature among the following is Hydrogen Nitrogen Oxygen Helium Hydrogen Nitrogen Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding caustic soda boiling adding sodium carbonate distillation adding caustic soda boiling adding sodium carbonate distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning garbage Burning coal Coal fire Steam engine Burning garbage Burning coal Coal fire Steam engine ANSWER DOWNLOAD EXAMIANS APP