Chemistry Which one of the following acids is used in battery ? Hydrofluoric acid Hydrochloric acid Sulphuric acid Sulphurous acid Hydrofluoric acid Hydrochloric acid Sulphuric acid Sulphurous acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Nitrogen Oxygen Chlorine Ozone Nitrogen Oxygen Chlorine Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Silicon and Iron Silicon and Aluminium Oxygen and Silicon Oxygen and Iron Silicon and Iron Silicon and Aluminium Oxygen and Silicon Oxygen and Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is Zero –4 8 4 Zero –4 8 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Nylon Terricot Rayon Cotton Nylon Terricot Rayon Cotton ANSWER DOWNLOAD EXAMIANS APP
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