Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Iodine and water Hydrogen peroxide Glucose isomerase Mild sulphuric acid Iodine and water Hydrogen peroxide Glucose isomerase Mild sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Nitrates of aluminium Double sulphates Double nitrate Hydrated chlorides Nitrates of aluminium Double sulphates Double nitrate Hydrated chlorides ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to ?-rays X-rays Positive rays ? and ? rays ?-rays X-rays Positive rays ? and ? rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Electrolyte Vessel Cathode Anode Electrolyte Vessel Cathode Anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as promoter for iron in Haber's process Mg W Mn Mo Mg W Mn Mo ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol and H2O Ethyl alcohol Methyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Ethyl alcohol Methyl alcohol Ethyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP