Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Sodium peroxide Hydrogen peroxide Barium peroxide Ozone Sodium peroxide Hydrogen peroxide Barium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Nitrogen Helium Hydrogen Air Nitrogen Helium Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 19 16 18 17 19 16 18 17 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Aniline Propylene Ethylene Acetylene Aniline Propylene Ethylene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The degree of dissociation of an electrolyte depends on Atmospheric pressure Dilution Impurities Method of dissolution Atmospheric pressure Dilution Impurities Method of dissolution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? DDT Lindane Parathion Carbary DDT Lindane Parathion Carbary ANSWER DOWNLOAD EXAMIANS APP
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