Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Borax-Bead test Spectroscopy Sodium Nitroprusside test Hydrolysis test Borax-Bead test Spectroscopy Sodium Nitroprusside test Hydrolysis test ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Cast iron Pig iron Wrought iron Steel Cast iron Pig iron Wrought iron Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Gaseous formaldehyde Formaldehyde in water Formaldehyde in methanol Ethylene glycol Gaseous formaldehyde Formaldehyde in water Formaldehyde in methanol Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sand and TNT Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal Sand and TNT Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Sulphuric acid Carbonic acid Formic acid Acetic acid Sulphuric acid Carbonic acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Ethane Methane Butane Propane Ethane Methane Butane Propane ANSWER DOWNLOAD EXAMIANS APP