Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.5 mole 0.2 mole 0.25 mole 0.4 mole 0.5 mole 0.2 mole 0.25 mole 0.4 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon dioxide Sulphur dioxide Carbon monoxide Nitrous oxide Carbon dioxide Sulphur dioxide Carbon monoxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is N2O3 NO NO2 N2O N2O3 NO NO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Calcium acetate Calcium oxalate Sodium chloride Sodium oxalate Calcium acetate Calcium oxalate Sodium chloride Sodium oxalate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Sodium, lead Lead, zinc Tin, lead Copper, lead Sodium, lead Lead, zinc Tin, lead Copper, lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Stable half filled 2p sub level Smaller atomic radius High nuclear charge High bond dissociation energy Stable half filled 2p sub level Smaller atomic radius High nuclear charge High bond dissociation energy ANSWER DOWNLOAD EXAMIANS APP