Chemistry Which among the following is not a characteristic of transition metals? Malleability Low electronegativity Tendency to gain electrons Low ionization energy Malleability Low electronegativity Tendency to gain electrons Low ionization energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Sulphuric acid Hydrochloric acid Hydrofluoric acid Sulphurous acid Sulphuric acid Hydrochloric acid Hydrofluoric acid Sulphurous acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicone is a polymer of Silane Tetraalkyl silane Silicon tetrachloride Dialkyl dichloro silane Silane Tetraalkyl silane Silicon tetrachloride Dialkyl dichloro silane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Manganese Magnesium None of these Calcium Manganese Magnesium None of these Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Positive Depends on whether the reaction is exothermic or endothermic Zero Negative Positive Depends on whether the reaction is exothermic or endothermic Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Spectroscopy Hydrolysis test Borax-Bead test Sodium Nitroprusside test Spectroscopy Hydrolysis test Borax-Bead test Sodium Nitroprusside test ANSWER DOWNLOAD EXAMIANS APP