Chemical Process Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in Hydrogen embrittlement All of these Pyrolysis of oil Sintering of porous catalyst Hydrogen embrittlement All of these Pyrolysis of oil Sintering of porous catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not responsible for causing permanent hardness of water? CaCl₂ None of these MgCl₂ Ca(HCO₃)₂ CaCl₂ None of these MgCl₂ Ca(HCO₃)₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ are added in lacquers to remove film brittleness and to improve adhereness. Diluents Solvents Plasticisers Film forming materials Diluents Solvents Plasticisers Film forming materials ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Rosin soap is added during paper manufacture to None of these Impart resistance to penetration by liquids Improve opacity Impart adhesive properties None of these Impart resistance to penetration by liquids Improve opacity Impart adhesive properties ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Vinyl chloride (CH₂ = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of 40 kg/cm² & 200°C 100 kgi/cm² & 500°C 4 kgf/cm² & 500°C 10 kgf/cm² & 1000°C 40 kg/cm² & 200°C 100 kgi/cm² & 500°C 4 kgf/cm² & 500°C 10 kgf/cm² & 1000°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of Calcium sulphate Sodium sulphate Sodium chloride Magnesium chloride Calcium sulphate Sodium sulphate Sodium chloride Magnesium chloride ANSWER DOWNLOAD EXAMIANS APP