Chemistry How many electrons in a Hydrogen atom Two One Three Four Two One Three Four ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Acetic acid Acetone Ethanol Formaldehyde Acetic acid Acetone Ethanol Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Methane Ammonia Carbonic Acid Water Methane Ammonia Carbonic Acid Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry A subshell with l=2 can take up 8 electron 5 electron 3 electron 10 electron 8 electron 5 electron 3 electron 10 electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called ADI NOAEL LD50 LC50 ADI NOAEL LD50 LC50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Ozone Methane Carbon dioxide Nitrogen Ozone Methane Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP