Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 36 19 17 53 36 19 17 53 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium chloride Sodium bicarbonate Sodium carbonate Sodium nitrate Sodium chloride Sodium bicarbonate Sodium carbonate Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom Three Two Four One Three Two Four One ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Stratosphere Troposphere Exosphere Ionosphere Stratosphere Troposphere Exosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry A fertile soil is likely to have a pH of 9 43989 14 3 9 43989 14 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Iron Thorium Rhodium Uranium Iron Thorium Rhodium Uranium ANSWER DOWNLOAD EXAMIANS APP