Chemistry Which of the following pollutants is main product of automobile exhaust ? NO CO CO2 Hydrocarbons NO CO CO2 Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The basic chemical building block of natural rubber obtained from trees is Acetylene Vinyl Chloride Neoprene Isoprene Acetylene Vinyl Chloride Neoprene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Picric acid Sodium Chloride Sodium Benzoate Glycerine Picric acid Sodium Chloride Sodium Benzoate Glycerine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding caustic soda adding sodium carbonate distillation boiling adding caustic soda adding sodium carbonate distillation boiling ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature N2 O2 H2 F2 N2 O2 H2 F2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Iron Silver Nichrome Copper Iron Silver Nichrome Copper ANSWER DOWNLOAD EXAMIANS APP
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