Chemical Process Gypsum is chemically Potassium sulphate Calcium sulphate Sodium sulphate Calcium chloride Potassium sulphate Calcium sulphate Sodium sulphate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
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? Reduction of Na+ ions Oxidation of Na+ ions Oxidation of Cl- ions Reduction of Cl- ions Reduction of Na+ ions Oxidation of Na+ ions Oxidation of Cl- ions Reduction of Cl- ions ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oleum produces fumes of SO₂ + H₂SO₄ SO₃ SO₂ H₂SO₄ SO₂ + H₂SO₄ SO₃ SO₂ H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the false statement pertaining to water treatment. The zeolite water softening process reduces the hardness of water by not more than 50% Water with pH value less than 7, is acidic Sodium sulphate or sodium carbonate do not cause hardness in water Aeration of water is effective in CO₂ removal The zeolite water softening process reduces the hardness of water by not more than 50% Water with pH value less than 7, is acidic Sodium sulphate or sodium carbonate do not cause hardness in water Aeration of water is effective in CO₂ removal ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bleaching of paper pulp is done with Chlorine or chlorine dioxide Bromine Activated clay Magnesium sulphite Chlorine or chlorine dioxide Bromine Activated clay Magnesium sulphite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oil produced by solvent extraction Both A & B Is odourless Has low free fatty acid content Neither A nor B Both A & B Is odourless Has low free fatty acid content Neither A nor B ANSWER DOWNLOAD EXAMIANS APP