Chemistry Which of the following is not a noble gas ? Neon Argon Hydrogen Helium Neon Argon Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Low electronegativity Low ionization energy Malleability Tendency to gain electrons Low electronegativity Low ionization energy Malleability Tendency to gain electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Phosphoric acid Phosphorus acid Salicylic acid Boric acid Phosphoric acid Phosphorus acid Salicylic acid Boric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.658 0.727 0.509 0.305 0.658 0.727 0.509 0.305 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Lead NO2 Hg SO2 Lead NO2 Hg SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Sublimation Fractional crystallisation Fractional distillation Steam distillation Sublimation Fractional crystallisation Fractional distillation Steam distillation ANSWER DOWNLOAD EXAMIANS APP