Chemistry Ruby and sapphire are oxides of Copper Iron Aluminium Tin Copper Iron Aluminium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Copper Gold Iron Zinc Copper Gold Iron Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 8 electron 5 electron 10 electron 3 electron 8 electron 5 electron 10 electron 3 electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is H2 S SO2 NO2 NH3 H2 S SO2 NO2 NH3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is K Ca Mg Na K Ca Mg Na ANSWER DOWNLOAD EXAMIANS APP
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