Chemistry The material used in solar cells contains Thallium Silicon Caesium Tin Thallium Silicon Caesium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Carbon monoxide Methane Hydrogen Air Carbon monoxide Methane Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Lead Bromine Magnesium Barium Lead Bromine Magnesium Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 3 electron 8 electron 10 electron 5 electron 3 electron 8 electron 10 electron 5 electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Reduction Adsorption Oxidation Bleaching Reduction Adsorption Oxidation Bleaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Nitrogen Neon Sodium Hydrogen Nitrogen Neon Sodium ANSWER DOWNLOAD EXAMIANS APP
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