Chemical Process Which of the following is an ore of iron? Galena Chalcopyrite Hematite Bauxite Galena Chalcopyrite Hematite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to Adjust the pH of the syrup Reduce the viscosity of the syrup Improve the rate of crystallisation of sugar Remove the coloring matter from the syrup Adjust the pH of the syrup Reduce the viscosity of the syrup Improve the rate of crystallisation of sugar Remove the coloring matter from the syrup ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In an integrated steel plant, NH₃ present in coke oven gas is normally recovered as NH₄Cl (NH₄)2SO₄ (NH₄)2 NO₃ Liquid NH₃ NH₄Cl (NH₄)2SO₄ (NH₄)2 NO₃ Liquid NH₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Temporary hardness of water can be removed by Addition of alum (a coagulant) Filtration (through gravity sand filter) Addition of lime Boiling Addition of alum (a coagulant) Filtration (through gravity sand filter) Addition of lime Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The function of gypsum addition during cement making is to Neither A nor B Increase the density of cement Decrease the cement setting rate Both A and B Neither A nor B Increase the density of cement Decrease the cement setting rate Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell? Cl₂ & H₂ Cl₂ & Na O₂ & H₂ Cl₂, H₂ & NaOH solution Cl₂ & H₂ Cl₂ & Na O₂ & H₂ Cl₂, H₂ & NaOH solution ANSWER DOWNLOAD EXAMIANS APP