Chemical Process Roasting of metallurgical ores is done mainly to Remove CO₂ & H₂O Dehydrate it Remove arsenic & sulphur Sinter the ore Remove CO₂ & H₂O Dehydrate it Remove arsenic & sulphur Sinter the ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Addition of calcium oxide to water produces Slaked lime Exothermic heat Hissing sound All of these Slaked lime Exothermic heat Hissing sound All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium chloride content in sea water is about __________ gms/litre. 2 50 25 10 2 50 25 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is made by the Oxidation of benzene Dehydrogenation of ethyl benzene None of these Oxidation of naphthalene Oxidation of benzene Dehydrogenation of ethyl benzene None of these Oxidation of naphthalene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent. 10 50 95 80 10 50 95 80 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to Increase its viscosity Increase the variation in its viscosity with temperature Reduce its viscosity Reduce the variation in its viscosity with temperature Increase its viscosity Increase the variation in its viscosity with temperature Reduce its viscosity Reduce the variation in its viscosity with temperature ANSWER DOWNLOAD EXAMIANS APP