Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Ozone Barium peroxide Hydrogen peroxide Sodium peroxide Ozone Barium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Drinking soda is Oxidant Alkaline Neutral Acidic Oxidant Alkaline Neutral Acidic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Carbon-14 Tritium Phosphorus-31 Radium Carbon-14 Tritium Phosphorus-31 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Glass vessel Copper vessel Aluminium vessel Earthen vessel Glass vessel Copper vessel Aluminium vessel Earthen vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by Rapid industrialization All of these Deforestation Increased transportation activity Rapid industrialization All of these Deforestation Increased transportation activity ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is generally kept under Water Alcohol Kerosene oil Glycerine Water Alcohol Kerosene oil Glycerine ANSWER DOWNLOAD EXAMIANS APP
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