Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 18 12 Zero 6 18 12 Zero 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hottest part of the gas flame is known as blue zone luminous zone non-luminous zone dark zone blue zone luminous zone non-luminous zone dark zone ANSWER DOWNLOAD EXAMIANS APP
Chemistry If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by Arsenic Mercury Lead Iron Arsenic Mercury Lead Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is NO NO2 N2O N2O3 NO NO2 N2O N2O3 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 x/6 5x/36 5x 7.2 x x/6 5x/36 5x 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the artificial ripening of fruits is Methane Butane Ethane Acetylene Methane Butane Ethane Acetylene ANSWER DOWNLOAD EXAMIANS APP