Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Reduction Corrosion Sublimation Galvanisation Reduction Corrosion Sublimation Galvanisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Asthma Silicosis Pneumoconiosis Cancer Asthma Silicosis Pneumoconiosis Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeCO3 Fe2O3 Fe3O4 FeS2 FeCO3 Fe2O3 Fe3O4 FeS2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Zone refining Electrolysis Oxidation Roasting Zone refining Electrolysis Oxidation Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Ozone Nitric acid Carbon monoxide Sulphuric acid Ozone Nitric acid Carbon monoxide Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Hypo Hydroquinone Sodium sulphate Silver bromide Hypo Hydroquinone Sodium sulphate Silver bromide ANSWER DOWNLOAD EXAMIANS APP
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