Chemistry The percentage of oxygen in air is approximately 0.21 1 0.78 0.01 0.21 1 0.78 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Copper Lead Aluminium Nickel Copper Lead Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following molecules has a bond order of 2.5 CO F2 HCL NO CO F2 HCL NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Lead Hg SO2 NO2 Lead Hg SO2 NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the naturally occuring heaviest element Protactinium Uranium Thorium Mercury Protactinium Uranium Thorium Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 proton + 2 neutron 1 electron only 1 proton only 1 neutron only 1 proton + 2 neutron 1 electron only 1 proton only 1 neutron only ANSWER DOWNLOAD EXAMIANS APP
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