Chemistry The property of hydrogen which distinguishes it from alkali metals is Its electropositive character Its reducing character Its non-metallic character Its affinity for non-metal Its electropositive character Its reducing character Its non-metallic character Its affinity for non-metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x x/6 7.2 x 5x/36 5x x/6 7.2 x 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Electron Neutron Proton Hydrogen nucleus Electron Neutron Proton Hydrogen nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Saccharin Sodium metabisulphite Sodium sulphate BHT Saccharin Sodium metabisulphite Sodium sulphate BHT ANSWER DOWNLOAD EXAMIANS APP
Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Hydrogen Helium Nitrogen Argon Hydrogen Helium Nitrogen Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CO2 CFC SO2 CO CO2 CFC SO2 CO ANSWER DOWNLOAD EXAMIANS APP
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