Chemistry The scientist who experimentally proved the existance of positron is Bethe Fermi Bohr Anderson Bethe Fermi Bohr Anderson ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 1 3 2 4 1 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Salicylic acid Phosphorus acid Boric acid Phosphoric acid Salicylic acid Phosphorus acid Boric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Liquified butane and isobutane Methane and ethane Ethylene and carbon monoxide Hydrogen and acetylene Liquified butane and isobutane Methane and ethane Ethylene and carbon monoxide Hydrogen and acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can never be positive Will always be positive Can have any value above zero Cannot be negative Can never be positive Will always be positive Can have any value above zero Cannot be negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Silicon Magnesium Sodium Calcium Silicon Magnesium Sodium Calcium ANSWER DOWNLOAD EXAMIANS APP