Chemistry The manufacture of iron from iron ore involves the process of Electrolysis Oxidation Fractional distillation Reduction Electrolysis Oxidation Fractional distillation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Paints Domestic sewage Wood burning Acid Plants Paints Domestic sewage Wood burning Acid Plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen in water is commonly found in the form of Nitrate Nitrite Nitrous oxide Nitric oxide Nitrate Nitrite Nitrous oxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most volatile of the given liquids is Liquid He Ether Liquid Liquid NH3 Liquid He Ether Liquid Liquid NH3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of H2 CH4 CO2 N2 H2 CH4 CO2 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Brass Copper Bronze Silver Brass Copper Bronze Silver ANSWER DOWNLOAD EXAMIANS APP