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 Silver halides are used in photographic plates because they are Oxidised in air Reduced by light Totally colourless Soluble in hyposolution Oxidised in air Reduced by light Totally colourless Soluble in hyposolution ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore magnetite consists of Fe3OH4 3Fe2O3 .. 3H2O Fe2O3 FeCO3 Fe3OH4 3Fe2O3 .. 3H2O Fe2O3 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Calcium oxalate Calcium acetate Sodium chloride Sodium oxalate Calcium oxalate Calcium acetate Sodium chloride Sodium oxalate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Carbon dioxide Sodium chloride Chlorine Alcohol Carbon dioxide Sodium chloride Chlorine Alcohol ANSWER DOWNLOAD EXAMIANS APP