Chemistry The chemical bahaviour of an atom depends upon The number of electrons orbiting around the nucleus The number of neutrons in the nucleus The number of nucleons in the nucleus The number of protons in its nucleus The number of electrons orbiting around the nucleus The number of neutrons in the nucleus The number of nucleons in the nucleus The number of protons in its nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal does not give H2 on treatment with dilute HCL is Ca Zn Fe Ag Ca Zn Fe Ag ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Reduces consumption of petrol Reduces evaporation of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces consumption of petrol Reduces evaporation of petrol Increases efficiency of petrol Prevents freezing of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Calcium Sodium, Potassium Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium Sodium, Magnesium Calcium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 14 8 – 14 None 0 – 7 0 – 14 8 – 14 None 0 – 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Iron Lead Gold Calcium Iron Lead Gold Calcium ANSWER DOWNLOAD EXAMIANS APP