Chemical Process Which of the following is not responsible for causing permanent hardness of water? MgCl₂ None of these CaCl₂ Ca(HCO₃)₂ MgCl₂ None of these CaCl₂ Ca(HCO₃)₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Glycerine is recovered from lye by Evaporation followed by vacuum distillation Extractive distillation technique None of these Liquid extraction technique Evaporation followed by vacuum distillation Extractive distillation technique None of these Liquid extraction technique ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia. None of these Haber's Ostwald's Solvay None of these Haber's Ostwald's Solvay ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The amount of benzene present in pure benzol is about __________ percent. 90 50 70 30 90 50 70 30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Epoxy resin Cannot be used for surface coatings Is a good adhesive Is an elastomer Is a polyester Cannot be used for surface coatings Is a good adhesive Is an elastomer Is a polyester ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxygen is produced by fractionation of air using __________ process. Claude's Either A or B None of these Linde's Claude's Either A or B None of these Linde's ANSWER DOWNLOAD EXAMIANS APP
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