Chemistry Which one of the following elements is an example of noble gas ? Chlorine Nitrogen Hydrogen Helium Chlorine Nitrogen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Water Cast-iron Aluminium Type metal Water Cast-iron Aluminium Type metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Ammonia Sulphur dioxide Carbon dioxide Hydrogen Ammonia Sulphur dioxide Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and NO2 NO2and particulates CO2and CFCs SO2 and particulates SO2 and NO2 NO2and particulates CO2and CFCs SO2 and particulates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon dioxide and nitrogen Carbon dioxide and hydrogen Carbon monoxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and nitrogen Carbon dioxide and hydrogen Carbon monoxide and nitrogen Carbon monoxide and hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid ANSWER DOWNLOAD EXAMIANS APP