Chemistry The percentage of oxygen in air is approximately 1 0.78 0.21 0.01 1 0.78 0.21 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nucleon? Electron Neutron Proton Positron Electron Neutron Proton Positron 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 Of the following compounds of calcium, the one having highest covalent character is Cal2 CaF2 Cacl2 CaBr2 Cal2 CaF2 Cacl2 CaBr2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Copper Zinc Tin Lead Copper Zinc Tin Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Magnesium Potassium Aluminium Beryllium Magnesium Potassium Aluminium Beryllium ANSWER DOWNLOAD EXAMIANS APP
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