Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.27 0.305 0.18 0.25 0.27 0.305 0.18 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ SO2 CO CO2 CFC SO2 CO CO2 CFC ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 NO CO Hydrocarbons CO2 NO CO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has a maximum tendency to form M3 ion ? As N Bi P As N Bi P ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Potassium iodide Iodine Potassium iodate Sodium iodide Potassium iodide Iodine Potassium iodate Sodium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of N2 CO2 CH4 H2 N2 CO2 CH4 H2 ANSWER DOWNLOAD EXAMIANS APP