Chemistry The manufacture of iron from iron ore involves the process of Electrolysis Fractional distillation Oxidation Reduction Electrolysis Fractional distillation Oxidation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Coconut charcoal Wood charcoal Animal charcoal Sugar charcoal Coconut charcoal Wood charcoal Animal charcoal Sugar charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Hydrogen Kerosene Coal Diesel Hydrogen Kerosene Coal Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Silver Sodium Gold Copper Silver Sodium Gold Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Pearl Opal Topaz Cat's-eye Pearl Opal Topaz Cat's-eye ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Hydrogen cyanide Carbon monoxide Water gas Mustard gas Hydrogen cyanide Carbon monoxide Water gas ANSWER DOWNLOAD EXAMIANS APP