Chemical Process Phenol is mainly used To produce polyester resin As a plasticiser for unsaturated polyster To produce benzene To produce phenol formaldehyde To produce polyester resin As a plasticiser for unsaturated polyster To produce benzene To produce phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The combustion reaction, C + O₂ = CO₂, is None of these Exothermic Autocatalytic Endothermic None of these Exothermic Autocatalytic Endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of sulphide ores is done usually by Froth floatation Roasting Electro magnetic separation Smelting Froth floatation Roasting Electro magnetic separation Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) None of these It decomposes on further increasing the temperature It is very corrosive at elevated temperature Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) None of these It decomposes on further increasing the temperature It is very corrosive at elevated temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an ore of iron? Galena Hematite Chalcopyrite Bauxite Galena Hematite Chalcopyrite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in treating turbid water? Calcium sulphate Ferric sulphate Activated carbon Chlorine Calcium sulphate Ferric sulphate Activated carbon Chlorine ANSWER DOWNLOAD EXAMIANS APP
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