Chemical Process Use of hydrated lime in water treatment After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Before filtration, reduces the bacterial load on filters Is to adjust the pH value All of these After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Before filtration, reduces the bacterial load on filters Is to adjust the pH value All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of edible vegetable oils Increases their melting point All of these Is done in presence of nickel catalyst Is an exothermic reaction Increases their melting point All of these Is done in presence of nickel catalyst Is an exothermic reaction 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 Nitric acid Hydrochloric acid Methyl alcohol Formic acid Nitric acid Hydrochloric acid Methyl alcohol Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Trinitro-toluene (TNT) is None of these Used in dye manufacture Used in glycerine manufacture An explosive None of these Used in dye manufacture Used in glycerine manufacture An explosive ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxygen is produced by fractionation of air using __________ process. Either A or B None of these Claude's Linde's Either A or B None of these Claude's Linde's ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of sulphide ores is done usually by Electro magnetic separation Roasting Froth floatation Smelting Electro magnetic separation Roasting Froth floatation Smelting ANSWER DOWNLOAD EXAMIANS APP