Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.305 0.658 0.727 0.509 0.305 0.658 0.727 0.509 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Calamine Haematite Bauxite Chalcopyrites Calamine Haematite Bauxite Chalcopyrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaO Na2O + K2O CaSO4, 2H2O Al2O3 CaO Na2O + K2O CaSO4, 2H2O Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles do not react with it Brown bottles react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles do not react with it Brown bottles react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Glycerine Sodium Chloride Picric acid Sodium Benzoate Glycerine Sodium Chloride Picric acid Sodium Benzoate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Zinc Oxygen Fluorine Lithium Zinc Oxygen Fluorine Lithium ANSWER DOWNLOAD EXAMIANS APP
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