Chemistry The nuclear particles which are assumed to hold the nucleons together are electrons neutrons mesons positrons electrons neutrons mesons positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of protons the number of neutrons the number of nucleons the number of protons and electrons the number of protons the number of neutrons the number of nucleons the number of protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet rays can be used in water treatment as Disinfectant Flocculator Precipitator Hydrolyser Disinfectant Flocculator Precipitator Hydrolyser ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Cocaine Tannin Morphine Caffeine Cocaine Tannin Morphine Caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Distillation Evaporation Filtration Fractional distillation Distillation Evaporation Filtration Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Hypo' commonly used in photography is Sodium thiosulphate Sodium nitrate Silver nitrate Silver iodide Sodium thiosulphate Sodium nitrate Silver nitrate Silver iodide ANSWER DOWNLOAD EXAMIANS APP