Chemical Process Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction? Oxidation of Cl- ions Reduction of Na+ ions Reduction of Cl- ions Oxidation of Na+ ions Oxidation of Cl- ions Reduction of Na+ ions Reduction of Cl- ions Oxidation of Na+ ions ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fermentation of molasses to produce ethyl alcohol is done at __________ °C 100 - 150 250 - 300 20 - 30 < - 5 100 - 150 250 - 300 20 - 30 < - 5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bleaching action of bleaching powder is due to its __________ properties. None of these Reducing Oxidising Disinfecting None of these Reducing Oxidising Disinfecting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have High electrical insulation properties Low co-efficient of thermal expansion Compressive strength much greater than their tensile strengths Sharp melting points High electrical insulation properties Low co-efficient of thermal expansion Compressive strength much greater than their tensile strengths Sharp melting points ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ore concentration by froth floatation utilises the __________ of ore particles. Density difference Terminal velocities None of these Wetting characteristics Density difference Terminal velocities None of these Wetting characteristics 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