Chemistry An example of major air pollutant is Helium Carbon dioxide Carbon monoxide Oxygen Helium Carbon dioxide Carbon monoxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Charcoal Coal-tar Camphor Diesel Charcoal Coal-tar Camphor Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polyethylene Polyamide Polypropylene Polyester Polyethylene Polyamide Polypropylene Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Thorium Plutonium Zirconium Uranium Thorium Plutonium Zirconium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as promoter for iron in Haber's process W Mn Mg Mo W Mn Mg Mo ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Ozonolysis Hydrogenation Hydrolysis Oxidation Ozonolysis Hydrogenation Hydrolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP