Chemistry Of the following, which one pollutes the air of a big city ? Lead Chromium Cadmium Copper Lead Chromium Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Chlorine Carbon dioxide Sodium chloride Alcohol Chlorine Carbon dioxide Sodium chloride Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Silver bromide Hydroquinone Hypo Sodium sulphate Silver bromide Hydroquinone Hypo Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Oxidation Electrolysis Reduction Fractional distillation Oxidation Electrolysis Reduction Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The laws of electrolysis are given by Arrhenius Lewis Faraday Ostwald Arrhenius Lewis Faraday Ostwald ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Vinegar' is a commercial name of Citric acid Acetic acid Hydrochloric acid Oxalic acid Citric acid Acetic acid Hydrochloric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP