Chemistry The most electronegative element among the following is oxygen sodium fluorine bromine oxygen sodium fluorine bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic numbers Higher atomic radii Higher atomic masses Higher densities Higher atomic numbers Higher atomic radii Higher atomic masses Higher densities ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Isobutane and propane Methane and carbon dioxide Methane and carbon monoxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide Methane and carbon monoxide Carbon dioxide and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Acid Plants Paints Domestic sewage Wood burning Acid Plants Paints Domestic sewage Wood burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Saline soils Acidic soils Podsols Alkaline soils Saline soils Acidic soils Podsols Alkaline soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metals commonly used for electroplating are Gold, Sodium and Chromium Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Potassium Gold, Sodium and Chromium Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Potassium ANSWER DOWNLOAD EXAMIANS APP