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) It decomposes on further increasing the temperature It is very corrosive at elevated temperature None of these Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It decomposes on further increasing the temperature It is very corrosive at elevated temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oil produced by solvent extraction Is odourless Both A & B Neither A nor B Has low free fatty acid content Is odourless Both A & B Neither A nor B Has low free fatty acid content ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a product of coal tar distillation? Carbolic oil Cresote oil None of these Anthracene Carbolic oil Cresote oil None of these Anthracene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The end bleaching agent used to move last traces of colour bodies from the pulp is MgO Chlorine dioxide (ClO₂) Mercaptans SO₂ gas MgO Chlorine dioxide (ClO₂) Mercaptans SO₂ gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In premitive days, __________ was being manufactured by Leblanc Process. Washing soda Alum Calcium carbide Soda ash Washing soda Alum Calcium carbide Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The function of gypsum addition during cement making is to Increase the density of cement Decrease the cement setting rate Neither A nor B Both A and B Increase the density of cement Decrease the cement setting rate Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP