Chemistry Petroleum consists of a mixture of Carbohydrates Carbonates Carbides Hydrocarbons Carbohydrates Carbonates Carbides Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry A mixture of water and alcohol can be separated by Filtration Evaporation Decantation Distillation Filtration Evaporation Decantation Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Ammonium sulphate Urea Nitro-lime Ammonium nitrate Ammonium sulphate Urea Nitro-lime Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Oxygen over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne Chlorine over slaked lime Oxygen over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne Chlorine over slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 17 19 36 53 17 19 36 53 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always more than the atomic weight a fraction the sum of the number of protons and neutrons present in the nucleus always less than its atomic number always more than the atomic weight a fraction the sum of the number of protons and neutrons present in the nucleus always less than its atomic number ANSWER DOWNLOAD EXAMIANS APP