Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Suspended salt Dissolved salt Silica Dissolved oxygen Suspended salt Dissolved salt Silica Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of hydrated lime in water treatment After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Is to adjust the pH value All of these Before filtration, reduces the bacterial load on filters After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Is to adjust the pH value All of these Before filtration, reduces the bacterial load on filters ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Saponification number of an oil or fat Gives an idea about its molecular weight Detects its adulteration Is inversely proportional to its molecular weight All of these Gives an idea about its molecular weight Detects its adulteration Is inversely proportional to its molecular weight All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Essential oils are usually obtained using Steam distillation Extractive distillation Leaching Solvent extraction Steam distillation Extractive distillation Leaching Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in treating turbid water? Calcium sulphate Activated carbon Ferric sulphate Chlorine Calcium sulphate Activated carbon Ferric sulphate Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of Hydrochloric acid Formic acid Nitric acid Methyl alcohol Hydrochloric acid Formic acid Nitric acid Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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