Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Dissolved salt Dissolved oxygen Suspended salt Silica Dissolved salt Dissolved oxygen Suspended salt Silica ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fusel oil is a/an None of these Essential oil Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses) Extract from medicinal herbs None of these Essential oil Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses) Extract from medicinal herbs ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dry ice (solidified CO₂) is used for the None of these Storage & shipment of frozen foods and ice-creams Liquefaction of permanent gases Liquefaction of natural gas None of these Storage & shipment of frozen foods and ice-creams Liquefaction of permanent gases Liquefaction of natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the main constituent of the mother liquor produced in salt industry? Quick lime Salt petre Glauber's salt Bromine Quick lime Salt petre Glauber's salt Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C. -53 -196 -183 -103 -53 -196 -183 -103 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the exothermic reaction out of the following: MgCO₃ = MgO + CO₂ All of these C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ All of these C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ ANSWER DOWNLOAD EXAMIANS APP
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