Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Spectroscopy Borax-Bead test Hydrolysis test Sodium Nitroprusside test Spectroscopy Borax-Bead test Hydrolysis test Sodium Nitroprusside test ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of electrons and neutrons All of these electrons and protons protons and neutrons electrons and neutrons All of these electrons and protons protons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacids are found in drugs that give relief to Acne Eye sight Headache Stomach ache Acne Eye sight Headache Stomach ache ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Sodium Silicon Graphite Phosphorus Sodium Silicon Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Positron Beta particles Alpha particles Proton Positron Beta particles Alpha particles Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Tritium Phosphorus-31 Radium Carbon-14 Tritium Phosphorus-31 Radium ANSWER DOWNLOAD EXAMIANS APP