Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Parathion Carbary DDT Lindane Parathion Carbary DDT Lindane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Phosphorus Sodium Graphite Silicon Phosphorus Sodium Graphite Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a secondary pollutant ? PAN CO NO SO2 PAN CO NO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Hypo' commonly used in photography is Silver iodide Sodium thiosulphate Sodium nitrate Silver nitrate Silver iodide Sodium thiosulphate Sodium nitrate Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The cathode of a lead storage battery is made up of Zinc Lead oxide Manganese dioxide Lead Zinc Lead oxide Manganese dioxide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salts of fatty acids Sodium salts of sulphonic acids None of these Sodium salt of benzoic acid Sodium salts of fatty acids Sodium salts of sulphonic acids None of these Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP