Chemical Process The most widely used coagulant for removing suspended impurities from water is Alum Calcium sulphate Bleaching powder Chlorine Alum Calcium sulphate Bleaching powder Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Refractory bricks burnt at very high temperature have got High spalling tendency Less resistance to corrosion by slags None of these Greater resistance to corrosion by slags High spalling tendency Less resistance to corrosion by slags None of these Greater resistance to corrosion by slags ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Sodium bisulphite Chlorine Lime Sulphuric acid Sodium bisulphite Chlorine Lime Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The biochemical treatment applied to sewage effluents is a process of Reduction Oxidation Dehydration Polymerisation Reduction Oxidation Dehydration Polymerisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ore concentration by froth floatation utilises the __________ of ore particles. Density difference None of these Wetting characteristics Terminal velocities Density difference None of these Wetting characteristics Terminal velocities ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water. SO₂ SO₃ Cl₂ NH₃ SO₂ SO₃ Cl₂ NH₃ ANSWER DOWNLOAD EXAMIANS APP
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